90019480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 212673600

約数和(自身を除く): 122654120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 1093, 1160, 1420, 2059, 2186, 2840, 4118, 4372, 5465, 8236, 8744, 10295, 10930, 16472, 20590, 21860, 31697, 41180, 43720, 63394, 77603, 82360, 126788, 155206, 158485, 253576, 310412, 316970, 388015, 620824, 633940, 776030, 1267880, 1552060, 2250487, 3104120, 4500974, 9001948, 11252435, 18003896, 22504870, 45009740, 90019480]

約数ペア:

[(1, 90019480), (2, 45009740), (4, 22504870), (5, 18003896), (8, 11252435), (10, 9001948), (20, 4500974), (29, 3104120), (40, 2250487), (58, 1552060), (71, 1267880), (116, 776030), (142, 633940), (145, 620824), (232, 388015), (284, 316970), (290, 310412), (355, 253576), (568, 158485), (580, 155206), (710, 126788), (1093, 82360), (1160, 77603), (1420, 63394), (2059, 43720), (2186, 41180), (2840, 31697), (4118, 21860), (4372, 20590), (5465, 16472), (8236, 10930), (8744, 10295)]