11815880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3559}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 26913600

約数和(自身を除く): 15097720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 3559, 7118, 14236, 17795, 28472, 35590, 71180, 142360, 295397, 590794, 1181588, 1476985, 2363176, 2953970, 5907940, 11815880]

約数ペア:

[(1, 11815880), (2, 5907940), (4, 2953970), (5, 2363176), (8, 1476985), (10, 1181588), (20, 590794), (40, 295397), (83, 142360), (166, 71180), (332, 35590), (415, 28472), (664, 17795), (830, 14236), (1660, 7118), (3320, 3559)]