8935540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 20384784

約数和(自身を除く): 11449244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 641, 697, 820, 1282, 1394, 2564, 2788, 3205, 3485, 6410, 6970, 10897, 12820, 13940, 21794, 26281, 43588, 52562, 54485, 105124, 108970, 131405, 217940, 262810, 446777, 525620, 893554, 1787108, 2233885, 4467770, 8935540]

約数ペア:

[(1, 8935540), (2, 4467770), (4, 2233885), (5, 1787108), (10, 893554), (17, 525620), (20, 446777), (34, 262810), (41, 217940), (68, 131405), (82, 108970), (85, 105124), (164, 54485), (170, 52562), (205, 43588), (340, 26281), (410, 21794), (641, 13940), (697, 12820), (820, 10897), (1282, 6970), (1394, 6410), (2564, 3485), (2788, 3205)]