64470040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2069}}^1$

素因数の和:2140

約数の個数: 64

約数和(自身を含む): 156492000

約数和(自身を除く): 92021960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2069, 3116, 3895, 4138, 6232, 7790, 8276, 10345, 15580, 16552, 20690, 31160, 39311, 41380, 78622, 82760, 84829, 157244, 169658, 196555, 314488, 339316, 393110, 424145, 678632, 786220, 848290, 1572440, 1611751, 1696580, 3223502, 3393160, 6447004, 8058755, 12894008, 16117510, 32235020, 64470040]

約数ペア:

[(1, 64470040), (2, 32235020), (4, 16117510), (5, 12894008), (8, 8058755), (10, 6447004), (19, 3393160), (20, 3223502), (38, 1696580), (40, 1611751), (41, 1572440), (76, 848290), (82, 786220), (95, 678632), (152, 424145), (164, 393110), (190, 339316), (205, 314488), (328, 196555), (380, 169658), (410, 157244), (760, 84829), (779, 82760), (820, 78622), (1558, 41380), (1640, 39311), (2069, 31160), (3116, 20690), (3895, 16552), (4138, 15580), (6232, 10345), (7790, 8276)]