51718420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11701}}^1$

素因数の和:11740

約数の個数: 48

約数和(自身を含む): 123853968

約数和(自身を除く): 72135548

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 11701, 23402, 46804, 58505, 117010, 152113, 198917, 234020, 304226, 397834, 608452, 760565, 795668, 994585, 1521130, 1989170, 2585921, 3042260, 3978340, 5171842, 10343684, 12929605, 25859210, 51718420]

約数ペア:

[(1, 51718420), (2, 25859210), (4, 12929605), (5, 10343684), (10, 5171842), (13, 3978340), (17, 3042260), (20, 2585921), (26, 1989170), (34, 1521130), (52, 994585), (65, 795668), (68, 760565), (85, 608452), (130, 397834), (170, 304226), (221, 234020), (260, 198917), (340, 152113), (442, 117010), (884, 58505), (1105, 46804), (2210, 23402), (4420, 11701)]