8213920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 22861440

約数和(自身を除く): 14647520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 359, 416, 440, 520, 572, 715, 718, 880, 1040, 1144, 1430, 1436, 1760, 1795, 2080, 2288, 2860, 2872, 3590, 3949, 4576, 4667, 5720, 5744, 7180, 7898, 9334, 11440, 11488, 14360, 15796, 18668, 19745, 22880, 23335, 28720, 31592, 37336, 39490, 46670, 51337, 57440, 63184, 74672, 78980, 93340, 102674, 126368, 149344, 157960, 186680, 205348, 256685, 315920, 373360, 410696, 513370, 631840, 746720, 821392, 1026740, 1642784, 2053480, 4106960, 8213920]

約数ペア:

[(1, 8213920), (2, 4106960), (4, 2053480), (5, 1642784), (8, 1026740), (10, 821392), (11, 746720), (13, 631840), (16, 513370), (20, 410696), (22, 373360), (26, 315920), (32, 256685), (40, 205348), (44, 186680), (52, 157960), (55, 149344), (65, 126368), (80, 102674), (88, 93340), (104, 78980), (110, 74672), (130, 63184), (143, 57440), (160, 51337), (176, 46670), (208, 39490), (220, 37336), (260, 31592), (286, 28720), (352, 23335), (359, 22880), (416, 19745), (440, 18668), (520, 15796), (572, 14360), (715, 11488), (718, 11440), (880, 9334), (1040, 7898), (1144, 7180), (1430, 5744), (1436, 5720), (1760, 4667), (1795, 4576), (2080, 3949), (2288, 3590), (2860, 2872)]