25928500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4021

約数の個数: 48

約数和(自身を含む): 60999120

約数和(自身を除く): 35070620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 3989, 6500, 7978, 15956, 19945, 39890, 51857, 79780, 99725, 103714, 199450, 207428, 259285, 398900, 498625, 518570, 997250, 1037140, 1296425, 1994500, 2592850, 5185700, 6482125, 12964250, 25928500]

約数ペア:

[(1, 25928500), (2, 12964250), (4, 6482125), (5, 5185700), (10, 2592850), (13, 1994500), (20, 1296425), (25, 1037140), (26, 997250), (50, 518570), (52, 498625), (65, 398900), (100, 259285), (125, 207428), (130, 199450), (250, 103714), (260, 99725), (325, 79780), (500, 51857), (650, 39890), (1300, 19945), (1625, 15956), (3250, 7978), (3989, 6500)]