220152080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88771}}^1$

素因数の和:88815

約数の個数: 40

約数和(自身を含む): 528370944

約数和(自身を除く): 308218864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 88771, 177542, 355084, 443855, 710168, 887710, 1420336, 1775420, 2751901, 3550840, 5503802, 7101680, 11007604, 13759505, 22015208, 27519010, 44030416, 55038020, 110076040, 220152080]

約数ペア:

[(1, 220152080), (2, 110076040), (4, 55038020), (5, 44030416), (8, 27519010), (10, 22015208), (16, 13759505), (20, 11007604), (31, 7101680), (40, 5503802), (62, 3550840), (80, 2751901), (124, 1775420), (155, 1420336), (248, 887710), (310, 710168), (496, 443855), (620, 355084), (1240, 177542), (2480, 88771)]