24800000020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{859}}^1\times {\mathrm{4021}}^1$

素因数の和:5248

約数の個数: 48

約数和(自身を含む): 52298870400

約数和(自身を除く): 27498870380

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 859, 1436, 1718, 1795, 3436, 3590, 4021, 4295, 7180, 8042, 8590, 16084, 17180, 20105, 40210, 80420, 308381, 616762, 1233524, 1443539, 1541905, 2887078, 3083810, 3454039, 5774156, 6167620, 6908078, 7217695, 13816156, 14435390, 17270195, 28870780, 34540390, 69080780, 1240000001, 2480000002, 4960000004, 6200000005, 12400000010, 24800000020]

約数ペア:

[(1, 24800000020), (2, 12400000010), (4, 6200000005), (5, 4960000004), (10, 2480000002), (20, 1240000001), (359, 69080780), (718, 34540390), (859, 28870780), (1436, 17270195), (1718, 14435390), (1795, 13816156), (3436, 7217695), (3590, 6908078), (4021, 6167620), (4295, 5774156), (7180, 3454039), (8042, 3083810), (8590, 2887078), (16084, 1541905), (17180, 1443539), (20105, 1233524), (40210, 616762), (80420, 308381)]