2008762880

素因数分解:

$2^9\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2917}}^1$

素因数の和:3209

約数の個数: 80

約数和(自身を含む): 4835884680

約数和(自身を除く): 2827121800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 512, 538, 640, 1076, 1280, 1345, 2152, 2560, 2690, 2917, 4304, 5380, 5834, 8608, 10760, 11668, 14585, 17216, 21520, 23336, 29170, 34432, 43040, 46672, 58340, 68864, 86080, 93344, 116680, 137728, 172160, 186688, 233360, 344320, 373376, 466720, 688640, 746752, 784673, 933440, 1493504, 1569346, 1866880, 3138692, 3733760, 3923365, 6277384, 7467520, 7846730, 12554768, 15693460, 25109536, 31386920, 50219072, 62773840, 100438144, 125547680, 200876288, 251095360, 401752576, 502190720, 1004381440, 2008762880]

約数ペア:

[(1, 2008762880), (2, 1004381440), (4, 502190720), (5, 401752576), (8, 251095360), (10, 200876288), (16, 125547680), (20, 100438144), (32, 62773840), (40, 50219072), (64, 31386920), (80, 25109536), (128, 15693460), (160, 12554768), (256, 7846730), (269, 7467520), (320, 6277384), (512, 3923365), (538, 3733760), (640, 3138692), (1076, 1866880), (1280, 1569346), (1345, 1493504), (2152, 933440), (2560, 784673), (2690, 746752), (2917, 688640), (4304, 466720), (5380, 373376), (5834, 344320), (8608, 233360), (10760, 186688), (11668, 172160), (14585, 137728), (17216, 116680), (21520, 93344), (23336, 86080), (29170, 68864), (34432, 58340), (43040, 46672)]