40314980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 87608304

約数和(自身を除く): 47293324

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 521, 530, 730, 1042, 1060, 1460, 2084, 2605, 3869, 5210, 7738, 10420, 15476, 19345, 27613, 38033, 38690, 55226, 76066, 77380, 110452, 138065, 152132, 190165, 276130, 380330, 552260, 760660, 2015749, 4031498, 8062996, 10078745, 20157490, 40314980]

約数ペア:

[(1, 40314980), (2, 20157490), (4, 10078745), (5, 8062996), (10, 4031498), (20, 2015749), (53, 760660), (73, 552260), (106, 380330), (146, 276130), (212, 190165), (265, 152132), (292, 138065), (365, 110452), (521, 77380), (530, 76066), (730, 55226), (1042, 38690), (1060, 38033), (1460, 27613), (2084, 19345), (2605, 15476), (3869, 10420), (5210, 7738)]