17212520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 25123480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 419, 520, 632, 790, 838, 1027, 1580, 1676, 2054, 2095, 3160, 3352, 4108, 4190, 5135, 5447, 8216, 8380, 10270, 10894, 16760, 20540, 21788, 27235, 33101, 41080, 43576, 54470, 66202, 108940, 132404, 165505, 217880, 264808, 331010, 430313, 662020, 860626, 1324040, 1721252, 2151565, 3442504, 4303130, 8606260, 17212520]

約数ペア:

[(1, 17212520), (2, 8606260), (4, 4303130), (5, 3442504), (8, 2151565), (10, 1721252), (13, 1324040), (20, 860626), (26, 662020), (40, 430313), (52, 331010), (65, 264808), (79, 217880), (104, 165505), (130, 132404), (158, 108940), (260, 66202), (316, 54470), (395, 43576), (419, 41080), (520, 33101), (632, 27235), (790, 21788), (838, 20540), (1027, 16760), (1580, 10894), (1676, 10270), (2054, 8380), (2095, 8216), (3160, 5447), (3352, 5135), (4108, 4190)]