2000413640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{10513}}^1$

素因数の和:10662

約数の個数: 64

約数和(自身を含む): 4632888960

約数和(自身を除く): 2632475320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 268, 284, 335, 355, 536, 568, 670, 710, 1340, 1420, 2680, 2840, 4757, 9514, 10513, 19028, 21026, 23785, 38056, 42052, 47570, 52565, 84104, 95140, 105130, 190280, 210260, 420520, 704371, 746423, 1408742, 1492846, 2817484, 2985692, 3521855, 3732115, 5634968, 5971384, 7043710, 7464230, 14087420, 14928460, 28174840, 29856920, 50010341, 100020682, 200041364, 250051705, 400082728, 500103410, 1000206820, 2000413640]

約数ペア:

[(1, 2000413640), (2, 1000206820), (4, 500103410), (5, 400082728), (8, 250051705), (10, 200041364), (20, 100020682), (40, 50010341), (67, 29856920), (71, 28174840), (134, 14928460), (142, 14087420), (268, 7464230), (284, 7043710), (335, 5971384), (355, 5634968), (536, 3732115), (568, 3521855), (670, 2985692), (710, 2817484), (1340, 1492846), (1420, 1408742), (2680, 746423), (2840, 704371), (4757, 420520), (9514, 210260), (10513, 190280), (19028, 105130), (21026, 95140), (23785, 84104), (38056, 52565), (42052, 47570)]