5200360400

素因数分解:

$2^4\times 5^2\times {\mathrm{421}}^1\times {\mathrm{30881}}^1$

素因数の和:31320

約数の個数: 60

約数和(自身を含む): 12523948044

約数和(自身を除く): 7323587644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 421, 842, 1684, 2105, 3368, 4210, 6736, 8420, 10525, 16840, 21050, 30881, 33680, 42100, 61762, 84200, 123524, 154405, 168400, 247048, 308810, 494096, 617620, 772025, 1235240, 1544050, 2470480, 3088100, 6176200, 12352400, 13000901, 26001802, 52003604, 65004505, 104007208, 130009010, 208014416, 260018020, 325022525, 520036040, 650045050, 1040072080, 1300090100, 2600180200, 5200360400]

約数ペア:

[(1, 5200360400), (2, 2600180200), (4, 1300090100), (5, 1040072080), (8, 650045050), (10, 520036040), (16, 325022525), (20, 260018020), (25, 208014416), (40, 130009010), (50, 104007208), (80, 65004505), (100, 52003604), (200, 26001802), (400, 13000901), (421, 12352400), (842, 6176200), (1684, 3088100), (2105, 2470480), (3368, 1544050), (4210, 1235240), (6736, 772025), (8420, 617620), (10525, 494096), (16840, 308810), (21050, 247048), (30881, 168400), (33680, 154405), (42100, 123524), (61762, 84200)]