20102964400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{3989}}^1$

素因数の和:4343

約数の個数: 120

約数和(自身を含む): 49601669040

約数和(自身を除く): 29498704640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 293, 344, 400, 430, 586, 688, 860, 1075, 1172, 1465, 1720, 2150, 2344, 2930, 3440, 3989, 4300, 4688, 5860, 7325, 7978, 8600, 11720, 12599, 14650, 15956, 17200, 19945, 23440, 25198, 29300, 31912, 39890, 50396, 58600, 62995, 63824, 79780, 99725, 100792, 117200, 125990, 159560, 171527, 199450, 201584, 251980, 314975, 319120, 343054, 398900, 503960, 629950, 686108, 797800, 857635, 1007920, 1168777, 1259900, 1372216, 1595600, 1715270, 2337554, 2519800, 2744432, 3430540, 4288175, 4675108, 5039600, 5843885, 6861080, 8576350, 9350216, 11687770, 13722160, 17152700, 18700432, 23375540, 29219425, 34305400, 46751080, 50257411, 58438850, 68610800, 93502160, 100514822, 116877700, 201029644, 233755400, 251287055, 402059288, 467510800, 502574110, 804118576, 1005148220, 1256435275, 2010296440, 2512870550, 4020592880, 5025741100, 10051482200, 20102964400]

約数ペア:

[(1, 20102964400), (2, 10051482200), (4, 5025741100), (5, 4020592880), (8, 2512870550), (10, 2010296440), (16, 1256435275), (20, 1005148220), (25, 804118576), (40, 502574110), (43, 467510800), (50, 402059288), (80, 251287055), (86, 233755400), (100, 201029644), (172, 116877700), (200, 100514822), (215, 93502160), (293, 68610800), (344, 58438850), (400, 50257411), (430, 46751080), (586, 34305400), (688, 29219425), (860, 23375540), (1075, 18700432), (1172, 17152700), (1465, 13722160), (1720, 11687770), (2150, 9350216), (2344, 8576350), (2930, 6861080), (3440, 5843885), (3989, 5039600), (4300, 4675108), (4688, 4288175), (5860, 3430540), (7325, 2744432), (7978, 2519800), (8600, 2337554), (11720, 1715270), (12599, 1595600), (14650, 1372216), (15956, 1259900), (17200, 1168777), (19945, 1007920), (23440, 857635), (25198, 797800), (29300, 686108), (31912, 629950), (39890, 503960), (50396, 398900), (58600, 343054), (62995, 319120), (63824, 314975), (79780, 251980), (99725, 201584), (100792, 199450), (117200, 171527), (125990, 159560)]