8321000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 19964880

約数和(自身を除く): 11643880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 157, 200, 212, 250, 265, 314, 424, 500, 530, 628, 785, 1000, 1060, 1256, 1325, 1570, 2120, 2650, 3140, 3925, 5300, 6280, 6625, 7850, 8321, 10600, 13250, 15700, 16642, 19625, 26500, 31400, 33284, 39250, 41605, 53000, 66568, 78500, 83210, 157000, 166420, 208025, 332840, 416050, 832100, 1040125, 1664200, 2080250, 4160500, 8321000]

約数ペア:

[(1, 8321000), (2, 4160500), (4, 2080250), (5, 1664200), (8, 1040125), (10, 832100), (20, 416050), (25, 332840), (40, 208025), (50, 166420), (53, 157000), (100, 83210), (106, 78500), (125, 66568), (157, 53000), (200, 41605), (212, 39250), (250, 33284), (265, 31400), (314, 26500), (424, 19625), (500, 16642), (530, 15700), (628, 13250), (785, 10600), (1000, 8321), (1060, 7850), (1256, 6625), (1325, 6280), (1570, 5300), (2120, 3925), (2650, 3140)]