15405520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14813}}^1$

素因数の和:14839

約数の個数: 40

約数和(自身を含む): 38575656

約数和(自身を除く): 23170136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 14813, 29626, 59252, 74065, 118504, 148130, 192569, 237008, 296260, 385138, 592520, 770276, 962845, 1185040, 1540552, 1925690, 3081104, 3851380, 7702760, 15405520]

約数ペア:

[(1, 15405520), (2, 7702760), (4, 3851380), (5, 3081104), (8, 1925690), (10, 1540552), (13, 1185040), (16, 962845), (20, 770276), (26, 592520), (40, 385138), (52, 296260), (65, 237008), (80, 192569), (104, 148130), (130, 118504), (208, 74065), (260, 59252), (520, 29626), (1040, 14813)]