38481220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26357}}^1$

素因数の和:26439

約数の個数: 24

約数和(自身を含む): 81920664

約数和(自身を除く): 43439444

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 26357, 52714, 105428, 131785, 263570, 527140, 1924061, 3848122, 7696244, 9620305, 19240610, 38481220]

約数ペア:

[(1, 38481220), (2, 19240610), (4, 9620305), (5, 7696244), (10, 3848122), (20, 1924061), (73, 527140), (146, 263570), (292, 131785), (365, 105428), (730, 52714), (1460, 26357)]