25284500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 56194320

約数和(自身を除く): 30909820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 829, 1220, 1525, 1658, 3050, 3316, 4145, 6100, 7625, 8290, 15250, 16580, 20725, 30500, 41450, 50569, 82900, 101138, 103625, 202276, 207250, 252845, 414500, 505690, 1011380, 1264225, 2528450, 5056900, 6321125, 12642250, 25284500]

約数ペア:

[(1, 25284500), (2, 12642250), (4, 6321125), (5, 5056900), (10, 2528450), (20, 1264225), (25, 1011380), (50, 505690), (61, 414500), (100, 252845), (122, 207250), (125, 202276), (244, 103625), (250, 101138), (305, 82900), (500, 50569), (610, 41450), (829, 30500), (1220, 20725), (1525, 16580), (1658, 15250), (3050, 8290), (3316, 7625), (4145, 6100)]