28792460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10357}}^1$

素因数の和:10505

約数の個数: 24

約数和(自身を含む): 60905040

約数和(自身を除く): 32112580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 10357, 20714, 41428, 51785, 103570, 207140, 1439623, 2879246, 5758492, 7198115, 14396230, 28792460]

約数ペア:

[(1, 28792460), (2, 14396230), (4, 7198115), (5, 5758492), (10, 2879246), (20, 1439623), (139, 207140), (278, 103570), (556, 51785), (695, 41428), (1390, 20714), (2780, 10357)]