100804780

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{16103}}^1$

素因数の和:16425

約数の個数: 24

約数和(自身を含む): 212379552

約数和(自身を除く): 111574772

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 16103, 32206, 64412, 80515, 161030, 322060, 5040239, 10080478, 20160956, 25201195, 50402390, 100804780]

約数ペア:

[(1, 100804780), (2, 50402390), (4, 25201195), (5, 20160956), (10, 10080478), (20, 5040239), (313, 322060), (626, 161030), (1252, 80515), (1565, 64412), (3130, 32206), (6260, 16103)]