13621000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 32600880

約数和(自身を除く): 18979880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 257, 265, 424, 500, 514, 530, 1000, 1028, 1060, 1285, 1325, 2056, 2120, 2570, 2650, 5140, 5300, 6425, 6625, 10280, 10600, 12850, 13250, 13621, 25700, 26500, 27242, 32125, 51400, 53000, 54484, 64250, 68105, 108968, 128500, 136210, 257000, 272420, 340525, 544840, 681050, 1362100, 1702625, 2724200, 3405250, 6810500, 13621000]

約数ペア:

[(1, 13621000), (2, 6810500), (4, 3405250), (5, 2724200), (8, 1702625), (10, 1362100), (20, 681050), (25, 544840), (40, 340525), (50, 272420), (53, 257000), (100, 136210), (106, 128500), (125, 108968), (200, 68105), (212, 64250), (250, 54484), (257, 53000), (265, 51400), (424, 32125), (500, 27242), (514, 26500), (530, 25700), (1000, 13621), (1028, 13250), (1060, 12850), (1285, 10600), (1325, 10280), (2056, 6625), (2120, 6425), (2570, 5300), (2650, 5140)]