27720890080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{21121}}^1$

素因数の和:21780

約数の個数: 96

約数和(自身を含む): 70643458368

約数和(自身を除く): 42922568288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 631, 1040, 1262, 2080, 2524, 3155, 5048, 6310, 8203, 10096, 12620, 16406, 20192, 21121, 25240, 32812, 41015, 42242, 50480, 65624, 82030, 84484, 100960, 105605, 131248, 164060, 168968, 211210, 262496, 274573, 328120, 337936, 422420, 549146, 656240, 675872, 844840, 1098292, 1312480, 1372865, 1689680, 2196584, 2745730, 3379360, 4393168, 5491460, 8786336, 10982920, 13327351, 21965840, 26654702, 43931680, 53309404, 66636755, 106618808, 133273510, 173255563, 213237616, 266547020, 346511126, 426475232, 533094040, 693022252, 866277815, 1066188080, 1386044504, 1732555630, 2132376160, 2772089008, 3465111260, 5544178016, 6930222520, 13860445040, 27720890080]

約数ペア:

[(1, 27720890080), (2, 13860445040), (4, 6930222520), (5, 5544178016), (8, 3465111260), (10, 2772089008), (13, 2132376160), (16, 1732555630), (20, 1386044504), (26, 1066188080), (32, 866277815), (40, 693022252), (52, 533094040), (65, 426475232), (80, 346511126), (104, 266547020), (130, 213237616), (160, 173255563), (208, 133273510), (260, 106618808), (416, 66636755), (520, 53309404), (631, 43931680), (1040, 26654702), (1262, 21965840), (2080, 13327351), (2524, 10982920), (3155, 8786336), (5048, 5491460), (6310, 4393168), (8203, 3379360), (10096, 2745730), (12620, 2196584), (16406, 1689680), (20192, 1372865), (21121, 1312480), (25240, 1098292), (32812, 844840), (41015, 675872), (42242, 656240), (50480, 549146), (65624, 422420), (82030, 337936), (84484, 328120), (100960, 274573), (105605, 262496), (131248, 211210), (164060, 168968)]