40317875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 55543488

約数和(自身を除く): 15225613

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 325, 559, 577, 1075, 1625, 2795, 2885, 5375, 7501, 13975, 14425, 24811, 37505, 69875, 72125, 124055, 187525, 322543, 620275, 937625, 1612715, 3101375, 8063575, 40317875]

約数ペア:

[(1, 40317875), (5, 8063575), (13, 3101375), (25, 1612715), (43, 937625), (65, 620275), (125, 322543), (215, 187525), (325, 124055), (559, 72125), (577, 69875), (1075, 37505), (1625, 24811), (2795, 14425), (2885, 13975), (5375, 7501)]