20173016560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{74231}}^1$

素因数の和:74366

約数の個数: 80

約数和(自身を含む): 48601175040

約数和(自身を除く): 28428158480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 215, 316, 344, 395, 430, 632, 688, 790, 860, 1264, 1580, 1720, 3160, 3397, 3440, 6320, 6794, 13588, 16985, 27176, 33970, 54352, 67940, 74231, 135880, 148462, 271760, 296924, 371155, 593848, 742310, 1187696, 1484620, 2969240, 3191933, 5864249, 5938480, 6383866, 11728498, 12767732, 15959665, 23456996, 25535464, 29321245, 31919330, 46913992, 51070928, 58642490, 63838660, 93827984, 117284980, 127677320, 234569960, 252162707, 255354640, 469139920, 504325414, 1008650828, 1260813535, 2017301656, 2521627070, 4034603312, 5043254140, 10086508280, 20173016560]

約数ペア:

[(1, 20173016560), (2, 10086508280), (4, 5043254140), (5, 4034603312), (8, 2521627070), (10, 2017301656), (16, 1260813535), (20, 1008650828), (40, 504325414), (43, 469139920), (79, 255354640), (80, 252162707), (86, 234569960), (158, 127677320), (172, 117284980), (215, 93827984), (316, 63838660), (344, 58642490), (395, 51070928), (430, 46913992), (632, 31919330), (688, 29321245), (790, 25535464), (860, 23456996), (1264, 15959665), (1580, 12767732), (1720, 11728498), (3160, 6383866), (3397, 5938480), (3440, 5864249), (6320, 3191933), (6794, 2969240), (13588, 1484620), (16985, 1187696), (27176, 742310), (33970, 593848), (54352, 371155), (67940, 296924), (74231, 271760), (135880, 148462)]