40916980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{653}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 93061584

約数和(自身を除く): 52144604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 653, 964, 1205, 1306, 2410, 2612, 3133, 3265, 4820, 6266, 6530, 8489, 12532, 13060, 15665, 16978, 31330, 33956, 42445, 62660, 84890, 157373, 169780, 314746, 629492, 786865, 1573730, 2045849, 3147460, 4091698, 8183396, 10229245, 20458490, 40916980]

約数ペア:

[(1, 40916980), (2, 20458490), (4, 10229245), (5, 8183396), (10, 4091698), (13, 3147460), (20, 2045849), (26, 1573730), (52, 786865), (65, 629492), (130, 314746), (241, 169780), (260, 157373), (482, 84890), (653, 62660), (964, 42445), (1205, 33956), (1306, 31330), (2410, 16978), (2612, 15665), (3133, 13060), (3265, 12532), (4820, 8489), (6266, 6530)]