12854920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 31752000

約数和(自身を除く): 18897080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 419, 472, 520, 590, 767, 838, 1180, 1534, 1676, 2095, 2360, 3068, 3352, 3835, 4190, 5447, 6136, 7670, 8380, 10894, 15340, 16760, 21788, 24721, 27235, 30680, 43576, 49442, 54470, 98884, 108940, 123605, 197768, 217880, 247210, 321373, 494420, 642746, 988840, 1285492, 1606865, 2570984, 3213730, 6427460, 12854920]

約数ペア:

[(1, 12854920), (2, 6427460), (4, 3213730), (5, 2570984), (8, 1606865), (10, 1285492), (13, 988840), (20, 642746), (26, 494420), (40, 321373), (52, 247210), (59, 217880), (65, 197768), (104, 123605), (118, 108940), (130, 98884), (236, 54470), (260, 49442), (295, 43576), (419, 30680), (472, 27235), (520, 24721), (590, 21788), (767, 16760), (838, 15340), (1180, 10894), (1534, 8380), (1676, 7670), (2095, 6136), (2360, 5447), (3068, 4190), (3352, 3835)]