42381875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 40

約数和(自身を含む): 57731520

約数和(自身を除く): 15349645

約数列:

[1, 5, 19, 25, 43, 83, 95, 125, 215, 415, 475, 625, 817, 1075, 1577, 2075, 2375, 3569, 4085, 5375, 7885, 10375, 11875, 17845, 20425, 26875, 39425, 51875, 67811, 89225, 102125, 197125, 339055, 446125, 510625, 985625, 1695275, 2230625, 8476375, 42381875]

約数ペア:

[(1, 42381875), (5, 8476375), (19, 2230625), (25, 1695275), (43, 985625), (83, 510625), (95, 446125), (125, 339055), (215, 197125), (415, 102125), (475, 89225), (625, 67811), (817, 51875), (1075, 39425), (1577, 26875), (2075, 20425), (2375, 17845), (3569, 11875), (4085, 10375), (5375, 7885)]