28687910080

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{684349}}^1$

素因数の和:684497

約数の個数: 56

約数和(自身を含む): 68834660400

約数和(自身を除く): 40146750320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 8384, 10480, 20960, 41920, 684349, 1368698, 2737396, 3421745, 5474792, 6843490, 10949584, 13686980, 21899168, 27373960, 43798336, 54747920, 89649719, 109495840, 179299438, 218991680, 358598876, 448248595, 717197752, 896497190, 1434395504, 1792994380, 2868791008, 3585988760, 5737582016, 7171977520, 14343955040, 28687910080]

約数ペア:

[(1, 28687910080), (2, 14343955040), (4, 7171977520), (5, 5737582016), (8, 3585988760), (10, 2868791008), (16, 1792994380), (20, 1434395504), (32, 896497190), (40, 717197752), (64, 448248595), (80, 358598876), (131, 218991680), (160, 179299438), (262, 109495840), (320, 89649719), (524, 54747920), (655, 43798336), (1048, 27373960), (1310, 21899168), (2096, 13686980), (2620, 10949584), (4192, 6843490), (5240, 5474792), (8384, 3421745), (10480, 2737396), (20960, 1368698), (41920, 684349)]