15691857220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{143357}}^1$

素因数の和:143800

約数の個数: 48

約数和(自身を含む): 35572280688

約数和(自身を除く): 19880423468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421, 842, 1684, 2105, 4210, 5473, 8420, 10946, 21892, 27365, 54730, 109460, 143357, 286714, 573428, 716785, 1433570, 1863641, 2867140, 3727282, 7454564, 9318205, 18636410, 37272820, 60353297, 120706594, 241413188, 301766485, 603532970, 784592861, 1207065940, 1569185722, 3138371444, 3922964305, 7845928610, 15691857220]

約数ペア:

[(1, 15691857220), (2, 7845928610), (4, 3922964305), (5, 3138371444), (10, 1569185722), (13, 1207065940), (20, 784592861), (26, 603532970), (52, 301766485), (65, 241413188), (130, 120706594), (260, 60353297), (421, 37272820), (842, 18636410), (1684, 9318205), (2105, 7454564), (4210, 3727282), (5473, 2867140), (8420, 1863641), (10946, 1433570), (21892, 716785), (27365, 573428), (54730, 286714), (109460, 143357)]