13628840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 19203160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 379, 580, 620, 758, 899, 1160, 1240, 1516, 1798, 1895, 3032, 3596, 3790, 4495, 7192, 7580, 8990, 10991, 11749, 15160, 17980, 21982, 23498, 35960, 43964, 46996, 54955, 58745, 87928, 93992, 109910, 117490, 219820, 234980, 340721, 439640, 469960, 681442, 1362884, 1703605, 2725768, 3407210, 6814420, 13628840]

約数ペア:

[(1, 13628840), (2, 6814420), (4, 3407210), (5, 2725768), (8, 1703605), (10, 1362884), (20, 681442), (29, 469960), (31, 439640), (40, 340721), (58, 234980), (62, 219820), (116, 117490), (124, 109910), (145, 93992), (155, 87928), (232, 58745), (248, 54955), (290, 46996), (310, 43964), (379, 35960), (580, 23498), (620, 21982), (758, 17980), (899, 15160), (1160, 11749), (1240, 10991), (1516, 8990), (1798, 7580), (1895, 7192), (3032, 4495), (3596, 3790)]