78700240

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9551}}^1$

素因数の和:9667

約数の個数: 40

約数和(自身を含む): 184773888

約数和(自身を除く): 106073648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 9551, 19102, 38204, 47755, 76408, 95510, 152816, 191020, 382040, 764080, 983753, 1967506, 3935012, 4918765, 7870024, 9837530, 15740048, 19675060, 39350120, 78700240]

約数ペア:

[(1, 78700240), (2, 39350120), (4, 19675060), (5, 15740048), (8, 9837530), (10, 7870024), (16, 4918765), (20, 3935012), (40, 1967506), (80, 983753), (103, 764080), (206, 382040), (412, 191020), (515, 152816), (824, 95510), (1030, 76408), (1648, 47755), (2060, 38204), (4120, 19102), (8240, 9551)]