39464240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15913}}^1$

素因数の和:15957

約数の個数: 40

約数和(自身を含む): 94720128

約数和(自身を除く): 55255888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15913, 31826, 63652, 79565, 127304, 159130, 254608, 318260, 493303, 636520, 986606, 1273040, 1973212, 2466515, 3946424, 4933030, 7892848, 9866060, 19732120, 39464240]

約数ペア:

[(1, 39464240), (2, 19732120), (4, 9866060), (5, 7892848), (8, 4933030), (10, 3946424), (16, 2466515), (20, 1973212), (31, 1273040), (40, 986606), (62, 636520), (80, 493303), (124, 318260), (155, 254608), (248, 159130), (310, 127304), (496, 79565), (620, 63652), (1240, 31826), (2480, 15913)]