25015375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 40974336

約数和(自身を除く): 15958961

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 113, 115, 125, 161, 175, 253, 275, 385, 565, 575, 791, 805, 875, 1243, 1265, 1375, 1771, 1925, 2599, 2825, 2875, 3955, 4025, 6215, 6325, 8701, 8855, 9625, 12995, 14125, 18193, 19775, 20125, 28589, 31075, 31625, 43505, 44275, 64975, 90965, 98875, 142945, 155375, 200123, 217525, 221375, 324875, 454825, 714725, 1000615, 1087625, 2274125, 3573625, 5003075, 25015375]

約数ペア:

[(1, 25015375), (5, 5003075), (7, 3573625), (11, 2274125), (23, 1087625), (25, 1000615), (35, 714725), (55, 454825), (77, 324875), (113, 221375), (115, 217525), (125, 200123), (161, 155375), (175, 142945), (253, 98875), (275, 90965), (385, 64975), (565, 44275), (575, 43505), (791, 31625), (805, 31075), (875, 28589), (1243, 20125), (1265, 19775), (1375, 18193), (1771, 14125), (1925, 12995), (2599, 9625), (2825, 8855), (2875, 8701), (3955, 6325), (4025, 6215)]