2018657680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149309}}^1$

素因数の和:149348

約数の個数: 60

約数和(自身を含む): 5082213780

約数和(自身を除く): 3063556100

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 149309, 298618, 597236, 746545, 1194472, 1493090, 1941017, 2388944, 2986180, 3882034, 5972360, 7764068, 9705085, 11944720, 15528136, 19410170, 25233221, 31056272, 38820340, 50466442, 77640680, 100932884, 126166105, 155281360, 201865768, 252332210, 403731536, 504664420, 1009328840, 2018657680]

約数ペア:

[(1, 2018657680), (2, 1009328840), (4, 504664420), (5, 403731536), (8, 252332210), (10, 201865768), (13, 155281360), (16, 126166105), (20, 100932884), (26, 77640680), (40, 50466442), (52, 38820340), (65, 31056272), (80, 25233221), (104, 19410170), (130, 15528136), (169, 11944720), (208, 9705085), (260, 7764068), (338, 5972360), (520, 3882034), (676, 2986180), (845, 2388944), (1040, 1941017), (1352, 1493090), (1690, 1194472), (2704, 746545), (3380, 597236), (6760, 298618), (13520, 149309)]