88398440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1386

約数の個数: 64

約数和(自身を含む): 215913600

約数和(自身を除く): 127515160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1223, 1390, 1807, 2446, 2780, 3614, 4892, 5560, 6115, 7228, 9035, 9784, 12230, 14456, 15899, 18070, 24460, 31798, 36140, 48920, 63596, 72280, 79495, 127192, 158990, 169997, 317980, 339994, 635960, 679988, 849985, 1359976, 1699970, 2209961, 3399940, 4419922, 6799880, 8839844, 11049805, 17679688, 22099610, 44199220, 88398440]

約数ペア:

[(1, 88398440), (2, 44199220), (4, 22099610), (5, 17679688), (8, 11049805), (10, 8839844), (13, 6799880), (20, 4419922), (26, 3399940), (40, 2209961), (52, 1699970), (65, 1359976), (104, 849985), (130, 679988), (139, 635960), (260, 339994), (278, 317980), (520, 169997), (556, 158990), (695, 127192), (1112, 79495), (1223, 72280), (1390, 63596), (1807, 48920), (2446, 36140), (2780, 31798), (3614, 24460), (4892, 18070), (5560, 15899), (6115, 14456), (7228, 12230), (9035, 9784)]