13272980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 18902380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 839, 1130, 1582, 1678, 2260, 3164, 3356, 3955, 4195, 5873, 7910, 8390, 11746, 15820, 16780, 23492, 29365, 58730, 94807, 117460, 189614, 379228, 474035, 663649, 948070, 1327298, 1896140, 2654596, 3318245, 6636490, 13272980]

約数ペア:

[(1, 13272980), (2, 6636490), (4, 3318245), (5, 2654596), (7, 1896140), (10, 1327298), (14, 948070), (20, 663649), (28, 474035), (35, 379228), (70, 189614), (113, 117460), (140, 94807), (226, 58730), (452, 29365), (565, 23492), (791, 16780), (839, 15820), (1130, 11746), (1582, 8390), (1678, 7910), (2260, 5873), (3164, 4195), (3356, 3955)]