40475640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19841}}^1$

素因数の和:19872

約数の個数: 64

約数和(自身を含む): 128576160

約数和(自身を除く): 88100520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 19841, 39682, 59523, 79364, 99205, 119046, 158728, 198410, 238092, 297615, 337297, 396820, 476184, 595230, 674594, 793640, 1011891, 1190460, 1349188, 1686485, 2023782, 2380920, 2698376, 3372970, 4047564, 5059455, 6745940, 8095128, 10118910, 13491880, 20237820, 40475640]

約数ペア:

[(1, 40475640), (2, 20237820), (3, 13491880), (4, 10118910), (5, 8095128), (6, 6745940), (8, 5059455), (10, 4047564), (12, 3372970), (15, 2698376), (17, 2380920), (20, 2023782), (24, 1686485), (30, 1349188), (34, 1190460), (40, 1011891), (51, 793640), (60, 674594), (68, 595230), (85, 476184), (102, 396820), (120, 337297), (136, 297615), (170, 238092), (204, 198410), (255, 158728), (340, 119046), (408, 99205), (510, 79364), (680, 59523), (1020, 39682), (2040, 19841)]