39721875

素因数分解:

$3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 30273645

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 223, 285, 375, 475, 625, 669, 1115, 1425, 1875, 2375, 3125, 3345, 4237, 5575, 7125, 9375, 11875, 12711, 16725, 21185, 27875, 35625, 59375, 63555, 83625, 105925, 139375, 178125, 317775, 418125, 529625, 696875, 1588875, 2090625, 2648125, 7944375, 13240625, 39721875]

約数ペア:

[(1, 39721875), (3, 13240625), (5, 7944375), (15, 2648125), (19, 2090625), (25, 1588875), (57, 696875), (75, 529625), (95, 418125), (125, 317775), (223, 178125), (285, 139375), (375, 105925), (475, 83625), (625, 63555), (669, 59375), (1115, 35625), (1425, 27875), (1875, 21185), (2375, 16725), (3125, 12711), (3345, 11875), (4237, 9375), (5575, 7125)]