66165800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8069}}^1$

素因数の和:8126

約数の個数: 48

約数和(自身を含む): 157607100

約数和(自身を除く): 91441300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8069, 8200, 16138, 32276, 40345, 64552, 80690, 161380, 201725, 322760, 330829, 403450, 661658, 806900, 1323316, 1613800, 1654145, 2646632, 3308290, 6616580, 8270725, 13233160, 16541450, 33082900, 66165800]

約数ペア:

[(1, 66165800), (2, 33082900), (4, 16541450), (5, 13233160), (8, 8270725), (10, 6616580), (20, 3308290), (25, 2646632), (40, 1654145), (41, 1613800), (50, 1323316), (82, 806900), (100, 661658), (164, 403450), (200, 330829), (205, 322760), (328, 201725), (410, 161380), (820, 80690), (1025, 64552), (1640, 40345), (2050, 32276), (4100, 16138), (8069, 8200)]