12435920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 21311920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 419, 424, 530, 560, 742, 838, 848, 1060, 1484, 1676, 1855, 2095, 2120, 2933, 2968, 3352, 3710, 4190, 4240, 5866, 5936, 6704, 7420, 8380, 11732, 14665, 14840, 16760, 22207, 23464, 29330, 29680, 33520, 44414, 46928, 58660, 88828, 111035, 117320, 155449, 177656, 222070, 234640, 310898, 355312, 444140, 621796, 777245, 888280, 1243592, 1554490, 1776560, 2487184, 3108980, 6217960, 12435920]

約数ペア:

[(1, 12435920), (2, 6217960), (4, 3108980), (5, 2487184), (7, 1776560), (8, 1554490), (10, 1243592), (14, 888280), (16, 777245), (20, 621796), (28, 444140), (35, 355312), (40, 310898), (53, 234640), (56, 222070), (70, 177656), (80, 155449), (106, 117320), (112, 111035), (140, 88828), (212, 58660), (265, 46928), (280, 44414), (371, 33520), (419, 29680), (424, 29330), (530, 23464), (560, 22207), (742, 16760), (838, 14840), (848, 14665), (1060, 11732), (1484, 8380), (1676, 7420), (1855, 6704), (2095, 5936), (2120, 5866), (2933, 4240), (2968, 4190), (3352, 3710)]