127949680

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2801}}^1$

素因数の和:3385

約数の個数: 40

約数和(自身を含む): 298110384

約数和(自身を除く): 170160704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 2284, 2801, 2855, 4568, 5602, 5710, 9136, 11204, 11420, 14005, 22408, 22840, 28010, 44816, 45680, 56020, 112040, 224080, 1599371, 3198742, 6397484, 7996855, 12794968, 15993710, 25589936, 31987420, 63974840, 127949680]

約数ペア:

[(1, 127949680), (2, 63974840), (4, 31987420), (5, 25589936), (8, 15993710), (10, 12794968), (16, 7996855), (20, 6397484), (40, 3198742), (80, 1599371), (571, 224080), (1142, 112040), (2284, 56020), (2801, 45680), (2855, 44816), (4568, 28010), (5602, 22840), (5710, 22408), (9136, 14005), (11204, 11420)]