40392980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 87275664

約数和(自身を除く): 46882684

約数列:

[1, 2, 4, 5, 10, 20, 61, 113, 122, 226, 244, 293, 305, 452, 565, 586, 610, 1130, 1172, 1220, 1465, 2260, 2930, 5860, 6893, 13786, 17873, 27572, 33109, 34465, 35746, 66218, 68930, 71492, 89365, 132436, 137860, 165545, 178730, 331090, 357460, 662180, 2019649, 4039298, 8078596, 10098245, 20196490, 40392980]

約数ペア:

[(1, 40392980), (2, 20196490), (4, 10098245), (5, 8078596), (10, 4039298), (20, 2019649), (61, 662180), (113, 357460), (122, 331090), (226, 178730), (244, 165545), (293, 137860), (305, 132436), (452, 89365), (565, 71492), (586, 68930), (610, 66218), (1130, 35746), (1172, 34465), (1220, 33109), (1465, 27572), (2260, 17873), (2930, 13786), (5860, 6893)]