16477780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{619}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 38122560

約数和(自身を除く): 21644780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 619, 1210, 1238, 1331, 2420, 2476, 2662, 3095, 5324, 6190, 6655, 6809, 12380, 13310, 13618, 26620, 27236, 34045, 68090, 74899, 136180, 149798, 299596, 374495, 748990, 823889, 1497980, 1647778, 3295556, 4119445, 8238890, 16477780]

約数ペア:

[(1, 16477780), (2, 8238890), (4, 4119445), (5, 3295556), (10, 1647778), (11, 1497980), (20, 823889), (22, 748990), (44, 374495), (55, 299596), (110, 149798), (121, 136180), (220, 74899), (242, 68090), (484, 34045), (605, 27236), (619, 26620), (1210, 13618), (1238, 13310), (1331, 12380), (2420, 6809), (2476, 6655), (2662, 6190), (3095, 5324)]