89717680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 226173024

約数和(自身を除く): 136455344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 281, 307, 520, 562, 614, 1040, 1124, 1228, 1405, 1535, 2248, 2456, 2810, 3070, 3653, 3991, 4496, 4912, 5620, 6140, 7306, 7982, 11240, 12280, 14612, 15964, 18265, 19955, 22480, 24560, 29224, 31928, 36530, 39910, 58448, 63856, 73060, 79820, 86267, 146120, 159640, 172534, 292240, 319280, 345068, 431335, 690136, 862670, 1121471, 1380272, 1725340, 2242942, 3450680, 4485884, 5607355, 6901360, 8971768, 11214710, 17943536, 22429420, 44858840, 89717680]

約数ペア:

[(1, 89717680), (2, 44858840), (4, 22429420), (5, 17943536), (8, 11214710), (10, 8971768), (13, 6901360), (16, 5607355), (20, 4485884), (26, 3450680), (40, 2242942), (52, 1725340), (65, 1380272), (80, 1121471), (104, 862670), (130, 690136), (208, 431335), (260, 345068), (281, 319280), (307, 292240), (520, 172534), (562, 159640), (614, 146120), (1040, 86267), (1124, 79820), (1228, 73060), (1405, 63856), (1535, 58448), (2248, 39910), (2456, 36530), (2810, 31928), (3070, 29224), (3653, 24560), (3991, 22480), (4496, 19955), (4912, 18265), (5620, 15964), (6140, 14612), (7306, 12280), (7982, 11240)]