80437370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2141}}^1$

素因数の和:2195

約数の個数: 48

約数和(自身を含む): 165713688

約数和(自身を除く): 85276318

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2141, 2210, 2890, 3757, 4282, 7514, 10705, 18785, 21410, 27833, 36397, 37570, 55666, 72794, 139165, 181985, 278330, 363970, 473161, 618749, 946322, 1237498, 2365805, 3093745, 4731610, 6187490, 8043737, 16087474, 40218685, 80437370]

約数ペア:

[(1, 80437370), (2, 40218685), (5, 16087474), (10, 8043737), (13, 6187490), (17, 4731610), (26, 3093745), (34, 2365805), (65, 1237498), (85, 946322), (130, 618749), (170, 473161), (221, 363970), (289, 278330), (442, 181985), (578, 139165), (1105, 72794), (1445, 55666), (2141, 37570), (2210, 36397), (2890, 27833), (3757, 21410), (4282, 18785), (7514, 10705)]