80218550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 154677600

約数和(自身を除く): 74459050

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 109, 205, 218, 359, 410, 545, 718, 1025, 1090, 1795, 2050, 2725, 3590, 4469, 5450, 8938, 8975, 14719, 17950, 22345, 29438, 39131, 44690, 73595, 78262, 111725, 147190, 195655, 223450, 367975, 391310, 735950, 978275, 1604371, 1956550, 3208742, 8021855, 16043710, 40109275, 80218550]

約数ペア:

[(1, 80218550), (2, 40109275), (5, 16043710), (10, 8021855), (25, 3208742), (41, 1956550), (50, 1604371), (82, 978275), (109, 735950), (205, 391310), (218, 367975), (359, 223450), (410, 195655), (545, 147190), (718, 111725), (1025, 78262), (1090, 73595), (1795, 44690), (2050, 39131), (2725, 29438), (3590, 22345), (4469, 17950), (5450, 14719), (8938, 8975)]