8320180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 19414080

約数和(自身を除く): 11093900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 641, 649, 1180, 1282, 1298, 2564, 2596, 3205, 3245, 6410, 6490, 7051, 12820, 12980, 14102, 28204, 35255, 37819, 70510, 75638, 141020, 151276, 189095, 378190, 416009, 756380, 832018, 1664036, 2080045, 4160090, 8320180]

約数ペア:

[(1, 8320180), (2, 4160090), (4, 2080045), (5, 1664036), (10, 832018), (11, 756380), (20, 416009), (22, 378190), (44, 189095), (55, 151276), (59, 141020), (110, 75638), (118, 70510), (220, 37819), (236, 35255), (295, 28204), (590, 14102), (641, 12980), (649, 12820), (1180, 7051), (1282, 6490), (1298, 6410), (2564, 3245), (2596, 3205)]