66076760

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7829}}^1$

素因数の和:8051

約数の個数: 32

約数和(自身を含む): 149396400

約数和(自身を除く): 83319640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 7829, 8440, 15658, 31316, 39145, 62632, 78290, 156580, 313160, 1651919, 3303838, 6607676, 8259595, 13215352, 16519190, 33038380, 66076760]

約数ペア:

[(1, 66076760), (2, 33038380), (4, 16519190), (5, 13215352), (8, 8259595), (10, 6607676), (20, 3303838), (40, 1651919), (211, 313160), (422, 156580), (844, 78290), (1055, 62632), (1688, 39145), (2110, 31316), (4220, 15658), (7829, 8440)]