2006320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 4821120

約数和(自身を除く): 2814800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 809, 1240, 1618, 2480, 3236, 4045, 6472, 8090, 12944, 16180, 25079, 32360, 50158, 64720, 100316, 125395, 200632, 250790, 401264, 501580, 1003160, 2006320]

約数ペア:

[(1, 2006320), (2, 1003160), (4, 501580), (5, 401264), (8, 250790), (10, 200632), (16, 125395), (20, 100316), (31, 64720), (40, 50158), (62, 32360), (80, 25079), (124, 16180), (155, 12944), (248, 8090), (310, 6472), (496, 4045), (620, 3236), (809, 2480), (1240, 1618)]