7937800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 20623680

約数和(自身を除く): 12685880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 71, 86, 100, 104, 130, 142, 172, 200, 215, 260, 284, 325, 344, 355, 430, 520, 559, 568, 650, 710, 860, 923, 1075, 1118, 1300, 1420, 1720, 1775, 1846, 2150, 2236, 2600, 2795, 2840, 3053, 3550, 3692, 4300, 4472, 4615, 5590, 6106, 7100, 7384, 8600, 9230, 11180, 12212, 13975, 14200, 15265, 18460, 22360, 23075, 24424, 27950, 30530, 36920, 39689, 46150, 55900, 61060, 76325, 79378, 92300, 111800, 122120, 152650, 158756, 184600, 198445, 305300, 317512, 396890, 610600, 793780, 992225, 1587560, 1984450, 3968900, 7937800]

約数ペア:

[(1, 7937800), (2, 3968900), (4, 1984450), (5, 1587560), (8, 992225), (10, 793780), (13, 610600), (20, 396890), (25, 317512), (26, 305300), (40, 198445), (43, 184600), (50, 158756), (52, 152650), (65, 122120), (71, 111800), (86, 92300), (100, 79378), (104, 76325), (130, 61060), (142, 55900), (172, 46150), (200, 39689), (215, 36920), (260, 30530), (284, 27950), (325, 24424), (344, 23075), (355, 22360), (430, 18460), (520, 15265), (559, 14200), (568, 13975), (650, 12212), (710, 11180), (860, 9230), (923, 8600), (1075, 7384), (1118, 7100), (1300, 6106), (1420, 5590), (1720, 4615), (1775, 4472), (1846, 4300), (2150, 3692), (2236, 3550), (2600, 3053), (2795, 2840)]