31368560

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1627}}^1$

素因数の和:1881

約数の個数: 40

約数和(自身を含む): 73279536

約数和(自身を除く): 41910976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1627, 1928, 2410, 3254, 3856, 4820, 6508, 8135, 9640, 13016, 16270, 19280, 26032, 32540, 65080, 130160, 392107, 784214, 1568428, 1960535, 3136856, 3921070, 6273712, 7842140, 15684280, 31368560]

約数ペア:

[(1, 31368560), (2, 15684280), (4, 7842140), (5, 6273712), (8, 3921070), (10, 3136856), (16, 1960535), (20, 1568428), (40, 784214), (80, 392107), (241, 130160), (482, 65080), (964, 32540), (1205, 26032), (1627, 19280), (1928, 16270), (2410, 13016), (3254, 9640), (3856, 8135), (4820, 6508)]