1640678840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2412763}}^1$

素因数の和:2412791

約数の個数: 32

約数和(自身を含む): 3908677680

約数和(自身を除く): 2267998840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2412763, 4825526, 9651052, 12063815, 19302104, 24127630, 41016971, 48255260, 82033942, 96510520, 164067884, 205084855, 328135768, 410169710, 820339420, 1640678840]

約数ペア:

[(1, 1640678840), (2, 820339420), (4, 410169710), (5, 328135768), (8, 205084855), (10, 164067884), (17, 96510520), (20, 82033942), (34, 48255260), (40, 41016971), (68, 24127630), (85, 19302104), (136, 12063815), (170, 9651052), (340, 4825526), (680, 2412763)]