8860280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 23436000

約数和(自身を除く): 14575720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 1549, 2860, 3098, 5720, 6196, 7745, 12392, 15490, 17039, 20137, 30980, 34078, 40274, 61960, 68156, 80548, 85195, 100685, 136312, 161096, 170390, 201370, 221507, 340780, 402740, 443014, 681560, 805480, 886028, 1107535, 1772056, 2215070, 4430140, 8860280]

約数ペア:

[(1, 8860280), (2, 4430140), (4, 2215070), (5, 1772056), (8, 1107535), (10, 886028), (11, 805480), (13, 681560), (20, 443014), (22, 402740), (26, 340780), (40, 221507), (44, 201370), (52, 170390), (55, 161096), (65, 136312), (88, 100685), (104, 85195), (110, 80548), (130, 68156), (143, 61960), (220, 40274), (260, 34078), (286, 30980), (440, 20137), (520, 17039), (572, 15490), (715, 12392), (1144, 7745), (1430, 6196), (1549, 5720), (2860, 3098)]