12941420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2239}}^1$

素因数の和:2282

約数の個数: 36

約数和(自身を含む): 28882560

約数和(自身を除く): 15941140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2239, 2890, 4478, 5780, 8956, 11195, 22390, 38063, 44780, 76126, 152252, 190315, 380630, 647071, 761260, 1294142, 2588284, 3235355, 6470710, 12941420]

約数ペア:

[(1, 12941420), (2, 6470710), (4, 3235355), (5, 2588284), (10, 1294142), (17, 761260), (20, 647071), (34, 380630), (68, 190315), (85, 152252), (170, 76126), (289, 44780), (340, 38063), (578, 22390), (1156, 11195), (1445, 8956), (2239, 5780), (2890, 4478)]