4198220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 9676128

約数和(自身を除く): 5477908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 241, 260, 268, 335, 482, 670, 871, 964, 1205, 1340, 1742, 2410, 3133, 3484, 4355, 4820, 6266, 8710, 12532, 15665, 16147, 17420, 31330, 32294, 62660, 64588, 80735, 161470, 209911, 322940, 419822, 839644, 1049555, 2099110, 4198220]

約数ペア:

[(1, 4198220), (2, 2099110), (4, 1049555), (5, 839644), (10, 419822), (13, 322940), (20, 209911), (26, 161470), (52, 80735), (65, 64588), (67, 62660), (130, 32294), (134, 31330), (241, 17420), (260, 16147), (268, 15665), (335, 12532), (482, 8710), (670, 6266), (871, 4820), (964, 4355), (1205, 3484), (1340, 3133), (1742, 2410)]