202980560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81847}}^1$

素因数の和:81891

約数の個数: 40

約数和(自身を含む): 487159296

約数和(自身を除く): 284178736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81847, 163694, 327388, 409235, 654776, 818470, 1309552, 1636940, 2537257, 3273880, 5074514, 6547760, 10149028, 12686285, 20298056, 25372570, 40596112, 50745140, 101490280, 202980560]

約数ペア:

[(1, 202980560), (2, 101490280), (4, 50745140), (5, 40596112), (8, 25372570), (10, 20298056), (16, 12686285), (20, 10149028), (31, 6547760), (40, 5074514), (62, 3273880), (80, 2537257), (124, 1636940), (155, 1309552), (248, 818470), (310, 654776), (496, 409235), (620, 327388), (1240, 163694), (2480, 81847)]