15967250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^3$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 34201440

約数和(自身を除く): 18234190

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 289, 325, 425, 442, 578, 650, 850, 1105, 1445, 1625, 2125, 2210, 2890, 3250, 3757, 4250, 4913, 5525, 7225, 7514, 9826, 11050, 14450, 18785, 24565, 27625, 36125, 37570, 49130, 55250, 63869, 72250, 93925, 122825, 127738, 187850, 245650, 319345, 469625, 614125, 638690, 939250, 1228250, 1596725, 3193450, 7983625, 15967250]

約数ペア:

[(1, 15967250), (2, 7983625), (5, 3193450), (10, 1596725), (13, 1228250), (17, 939250), (25, 638690), (26, 614125), (34, 469625), (50, 319345), (65, 245650), (85, 187850), (125, 127738), (130, 122825), (170, 93925), (221, 72250), (250, 63869), (289, 55250), (325, 49130), (425, 37570), (442, 36125), (578, 27625), (650, 24565), (850, 18785), (1105, 14450), (1445, 11050), (1625, 9826), (2125, 7514), (2210, 7225), (2890, 5525), (3250, 4913), (3757, 4250)]