8379020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 19860624

約数和(自身を除く): 11481604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 67, 74, 130, 134, 148, 169, 185, 260, 268, 335, 338, 370, 481, 670, 676, 740, 845, 871, 962, 1340, 1690, 1742, 1924, 2405, 2479, 3380, 3484, 4355, 4810, 4958, 6253, 8710, 9620, 9916, 11323, 12395, 12506, 17420, 22646, 24790, 25012, 31265, 32227, 45292, 49580, 56615, 62530, 64454, 113230, 125060, 128908, 161135, 226460, 322270, 418951, 644540, 837902, 1675804, 2094755, 4189510, 8379020]

約数ペア:

[(1, 8379020), (2, 4189510), (4, 2094755), (5, 1675804), (10, 837902), (13, 644540), (20, 418951), (26, 322270), (37, 226460), (52, 161135), (65, 128908), (67, 125060), (74, 113230), (130, 64454), (134, 62530), (148, 56615), (169, 49580), (185, 45292), (260, 32227), (268, 31265), (335, 25012), (338, 24790), (370, 22646), (481, 17420), (670, 12506), (676, 12395), (740, 11323), (845, 9916), (871, 9620), (962, 8710), (1340, 6253), (1690, 4958), (1742, 4810), (1924, 4355), (2405, 3484), (2479, 3380)]