264221680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106541}}^1$

素因数の和:106585

約数の個数: 40

約数和(自身を含む): 634137984

約数和(自身を除く): 369916304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 106541, 213082, 426164, 532705, 852328, 1065410, 1704656, 2130820, 3302771, 4261640, 6605542, 8523280, 13211084, 16513855, 26422168, 33027710, 52844336, 66055420, 132110840, 264221680]

約数ペア:

[(1, 264221680), (2, 132110840), (4, 66055420), (5, 52844336), (8, 33027710), (10, 26422168), (16, 16513855), (20, 13211084), (31, 8523280), (40, 6605542), (62, 4261640), (80, 3302771), (124, 2130820), (155, 1704656), (248, 1065410), (310, 852328), (496, 532705), (620, 426164), (1240, 213082), (2480, 106541)]