39964580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 87919104

約数和(自身を除く): 47954524

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 883, 1460, 1766, 2263, 3532, 4415, 4526, 8830, 9052, 11315, 17660, 22630, 27373, 45260, 54746, 64459, 109492, 128918, 136865, 257836, 273730, 322295, 547460, 644590, 1289180, 1998229, 3996458, 7992916, 9991145, 19982290, 39964580]

約数ペア:

[(1, 39964580), (2, 19982290), (4, 9991145), (5, 7992916), (10, 3996458), (20, 1998229), (31, 1289180), (62, 644590), (73, 547460), (124, 322295), (146, 273730), (155, 257836), (292, 136865), (310, 128918), (365, 109492), (620, 64459), (730, 54746), (883, 45260), (1460, 27373), (1766, 22630), (2263, 17660), (3532, 11315), (4415, 9052), (4526, 8830)]