129049280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13009}}^1$

素因数の和:13057

約数の個数: 56

約数和(自身を含む): 317235840

約数和(自身を除く): 188186560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 13009, 26018, 52036, 65045, 104072, 130090, 208144, 260180, 403279, 416288, 520360, 806558, 832576, 1040720, 1613116, 2016395, 2081440, 3226232, 4032790, 4162880, 6452464, 8065580, 12904928, 16131160, 25809856, 32262320, 64524640, 129049280]

約数ペア:

[(1, 129049280), (2, 64524640), (4, 32262320), (5, 25809856), (8, 16131160), (10, 12904928), (16, 8065580), (20, 6452464), (31, 4162880), (32, 4032790), (40, 3226232), (62, 2081440), (64, 2016395), (80, 1613116), (124, 1040720), (155, 832576), (160, 806558), (248, 520360), (310, 416288), (320, 403279), (496, 260180), (620, 208144), (992, 130090), (1240, 104072), (1984, 65045), (2480, 52036), (4960, 26018), (9920, 13009)]