51765680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2239}}^1$

素因数の和:2286

約数の個数: 60

約数和(自身を含む): 127908480

約数和(自身を除く): 76142800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2239, 2312, 2890, 4478, 4624, 5780, 8956, 11195, 11560, 17912, 22390, 23120, 35824, 38063, 44780, 76126, 89560, 152252, 179120, 190315, 304504, 380630, 609008, 647071, 761260, 1294142, 1522520, 2588284, 3045040, 3235355, 5176568, 6470710, 10353136, 12941420, 25882840, 51765680]

約数ペア:

[(1, 51765680), (2, 25882840), (4, 12941420), (5, 10353136), (8, 6470710), (10, 5176568), (16, 3235355), (17, 3045040), (20, 2588284), (34, 1522520), (40, 1294142), (68, 761260), (80, 647071), (85, 609008), (136, 380630), (170, 304504), (272, 190315), (289, 179120), (340, 152252), (578, 89560), (680, 76126), (1156, 44780), (1360, 38063), (1445, 35824), (2239, 23120), (2312, 22390), (2890, 17912), (4478, 11560), (4624, 11195), (5780, 8956)]