80888210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2153}}^1$

素因数の和:2207

約数の個数: 48

約数和(自身を含む): 166642056

約数和(自身を除く): 85753846

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2153, 2210, 2890, 3757, 4306, 7514, 10765, 18785, 21530, 27989, 36601, 37570, 55978, 73202, 139945, 183005, 279890, 366010, 475813, 622217, 951626, 1244434, 2379065, 3111085, 4758130, 6222170, 8088821, 16177642, 40444105, 80888210]

約数ペア:

[(1, 80888210), (2, 40444105), (5, 16177642), (10, 8088821), (13, 6222170), (17, 4758130), (26, 3111085), (34, 2379065), (65, 1244434), (85, 951626), (130, 622217), (170, 475813), (221, 366010), (289, 279890), (442, 183005), (578, 139945), (1105, 73202), (1445, 55978), (2153, 37570), (2210, 36601), (2890, 27989), (3757, 21530), (4306, 18785), (7514, 10765)]