215769920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21751}}^1$

素因数の和:21799

約数の個数: 56

約数和(自身を含む): 530400768

約数和(自身を除く): 314630848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 21751, 43502, 87004, 108755, 174008, 217510, 348016, 435020, 674281, 696032, 870040, 1348562, 1392064, 1740080, 2697124, 3371405, 3480160, 5394248, 6742810, 6960320, 10788496, 13485620, 21576992, 26971240, 43153984, 53942480, 107884960, 215769920]

約数ペア:

[(1, 215769920), (2, 107884960), (4, 53942480), (5, 43153984), (8, 26971240), (10, 21576992), (16, 13485620), (20, 10788496), (31, 6960320), (32, 6742810), (40, 5394248), (62, 3480160), (64, 3371405), (80, 2697124), (124, 1740080), (155, 1392064), (160, 1348562), (248, 870040), (310, 696032), (320, 674281), (496, 435020), (620, 348016), (992, 217510), (1240, 174008), (1984, 108755), (2480, 87004), (4960, 43502), (9920, 21751)]