2100025240

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{148727}}^1$

素因数の和:149091

約数の個数: 32

約数和(自身を含む): 4738474080

約数和(自身を除く): 2638448840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 148727, 297454, 594908, 743635, 1189816, 1487270, 2974540, 5949080, 52500631, 105001262, 210002524, 262503155, 420005048, 525006310, 1050012620, 2100025240]

約数ペア:

[(1, 2100025240), (2, 1050012620), (4, 525006310), (5, 420005048), (8, 262503155), (10, 210002524), (20, 105001262), (40, 52500631), (353, 5949080), (706, 2974540), (1412, 1487270), (1765, 1189816), (2824, 743635), (3530, 594908), (7060, 297454), (14120, 148727)]