87517580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 189949536

約数和(自身を除く): 102431956

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 227, 370, 454, 521, 740, 908, 1042, 1135, 2084, 2270, 2605, 4540, 5210, 8399, 10420, 16798, 19277, 33596, 38554, 41995, 77108, 83990, 96385, 118267, 167980, 192770, 236534, 385540, 473068, 591335, 1182670, 2365340, 4375879, 8751758, 17503516, 21879395, 43758790, 87517580]

約数ペア:

[(1, 87517580), (2, 43758790), (4, 21879395), (5, 17503516), (10, 8751758), (20, 4375879), (37, 2365340), (74, 1182670), (148, 591335), (185, 473068), (227, 385540), (370, 236534), (454, 192770), (521, 167980), (740, 118267), (908, 96385), (1042, 83990), (1135, 77108), (2084, 41995), (2270, 38554), (2605, 33596), (4540, 19277), (5210, 16798), (8399, 10420)]