51168325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 72651600

約数和(自身を除く): 21483275

約数列:

[1, 5, 13, 25, 29, 61, 65, 89, 145, 305, 325, 377, 445, 725, 793, 1157, 1525, 1769, 1885, 2225, 2581, 3965, 5429, 5785, 8845, 9425, 12905, 19825, 22997, 27145, 28925, 33553, 44225, 64525, 70577, 114985, 135725, 157441, 167765, 352885, 574925, 787205, 838825, 1764425, 2046733, 3936025, 10233665, 51168325]

約数ペア:

[(1, 51168325), (5, 10233665), (13, 3936025), (25, 2046733), (29, 1764425), (61, 838825), (65, 787205), (89, 574925), (145, 352885), (305, 167765), (325, 157441), (377, 135725), (445, 114985), (725, 70577), (793, 64525), (1157, 44225), (1525, 33553), (1769, 28925), (1885, 27145), (2225, 22997), (2581, 19825), (3965, 12905), (5429, 9425), (5785, 8845)]