67982440

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2579}}^1$

素因数の和:3249

約数の個数: 32

約数和(自身を含む): 153252000

約数和(自身を除く): 85269560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2579, 2636, 3295, 5158, 5272, 6590, 10316, 12895, 13180, 20632, 25790, 26360, 51580, 103160, 1699561, 3399122, 6798244, 8497805, 13596488, 16995610, 33991220, 67982440]

約数ペア:

[(1, 67982440), (2, 33991220), (4, 16995610), (5, 13596488), (8, 8497805), (10, 6798244), (20, 3399122), (40, 1699561), (659, 103160), (1318, 51580), (2579, 26360), (2636, 25790), (3295, 20632), (5158, 13180), (5272, 12895), (6590, 10316)]