10396780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 23143680

約数和(自身を除く): 12746900

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 409, 410, 620, 818, 820, 1271, 1636, 2045, 2542, 4090, 5084, 6355, 8180, 12679, 12710, 16769, 25358, 25420, 33538, 50716, 63395, 67076, 83845, 126790, 167690, 253580, 335380, 519839, 1039678, 2079356, 2599195, 5198390, 10396780]

約数ペア:

[(1, 10396780), (2, 5198390), (4, 2599195), (5, 2079356), (10, 1039678), (20, 519839), (31, 335380), (41, 253580), (62, 167690), (82, 126790), (124, 83845), (155, 67076), (164, 63395), (205, 50716), (310, 33538), (409, 25420), (410, 25358), (620, 16769), (818, 12710), (820, 12679), (1271, 8180), (1636, 6355), (2045, 5084), (2542, 4090)]