6958640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6691}}^1$

素因数の和:6717

約数の個数: 40

約数和(自身を含む): 17425968

約数和(自身を除く): 10467328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6691, 13382, 26764, 33455, 53528, 66910, 86983, 107056, 133820, 173966, 267640, 347932, 434915, 535280, 695864, 869830, 1391728, 1739660, 3479320, 6958640]

約数ペア:

[(1, 6958640), (2, 3479320), (4, 1739660), (5, 1391728), (8, 869830), (10, 695864), (13, 535280), (16, 434915), (20, 347932), (26, 267640), (40, 173966), (52, 133820), (65, 107056), (80, 86983), (104, 66910), (130, 53528), (208, 33455), (260, 26764), (520, 13382), (1040, 6691)]