4160500

素因数分解:

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

素因数の和:229

約数の個数: 48

約数和(自身を含む): 9316944

約数和(自身を除く): 5156444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 157, 212, 250, 265, 314, 500, 530, 628, 785, 1060, 1325, 1570, 2650, 3140, 3925, 5300, 6625, 7850, 8321, 13250, 15700, 16642, 19625, 26500, 33284, 39250, 41605, 78500, 83210, 166420, 208025, 416050, 832100, 1040125, 2080250, 4160500]

約数ペア:

[(1, 4160500), (2, 2080250), (4, 1040125), (5, 832100), (10, 416050), (20, 208025), (25, 166420), (50, 83210), (53, 78500), (100, 41605), (106, 39250), (125, 33284), (157, 26500), (212, 19625), (250, 16642), (265, 15700), (314, 13250), (500, 8321), (530, 7850), (628, 6625), (785, 5300), (1060, 3925), (1325, 3140), (1570, 2650)]