1241960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 2845800

約数和(自身を除く): 1603840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 509, 610, 1018, 1220, 2036, 2440, 2545, 4072, 5090, 10180, 20360, 31049, 62098, 124196, 155245, 248392, 310490, 620980, 1241960]

約数ペア:

[(1, 1241960), (2, 620980), (4, 310490), (5, 248392), (8, 155245), (10, 124196), (20, 62098), (40, 31049), (61, 20360), (122, 10180), (244, 5090), (305, 4072), (488, 2545), (509, 2440), (610, 2036), (1018, 1220)]