15661903760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4552879}}^1$

素因数の和:4552935

約数の個数: 40

約数和(自身を含む): 37260769920

約数和(自身を除く): 21598866160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4552879, 9105758, 18211516, 22764395, 36423032, 45528790, 72846064, 91057580, 182115160, 195773797, 364230320, 391547594, 783095188, 978868985, 1566190376, 1957737970, 3132380752, 3915475940, 7830951880, 15661903760]

約数ペア:

[(1, 15661903760), (2, 7830951880), (4, 3915475940), (5, 3132380752), (8, 1957737970), (10, 1566190376), (16, 978868985), (20, 783095188), (40, 391547594), (43, 364230320), (80, 195773797), (86, 182115160), (172, 91057580), (215, 72846064), (344, 45528790), (430, 36423032), (688, 22764395), (860, 18211516), (1720, 9105758), (3440, 4552879)]