12867920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12373}}^1$

素因数の和:12399

約数の個数: 40

約数和(自身を含む): 32221896

約数和(自身を除く): 19353976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12373, 24746, 49492, 61865, 98984, 123730, 160849, 197968, 247460, 321698, 494920, 643396, 804245, 989840, 1286792, 1608490, 2573584, 3216980, 6433960, 12867920]

約数ペア:

[(1, 12867920), (2, 6433960), (4, 3216980), (5, 2573584), (8, 1608490), (10, 1286792), (13, 989840), (16, 804245), (20, 643396), (26, 494920), (40, 321698), (52, 247460), (65, 197968), (80, 160849), (104, 123730), (130, 98984), (208, 61865), (260, 49492), (520, 24746), (1040, 12373)]