66713560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2141}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 161935200

約数和(自身を除く): 95221640

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, 2141, 3116, 3895, 4282, 6232, 7790, 8564, 10705, 15580, 17128, 21410, 31160, 40679, 42820, 81358, 85640, 87781, 162716, 175562, 203395, 325432, 351124, 406790, 438905, 702248, 813580, 877810, 1627160, 1667839, 1755620, 3335678, 3511240, 6671356, 8339195, 13342712, 16678390, 33356780, 66713560]

約数ペア:

[(1, 66713560), (2, 33356780), (4, 16678390), (5, 13342712), (8, 8339195), (10, 6671356), (19, 3511240), (20, 3335678), (38, 1755620), (40, 1667839), (41, 1627160), (76, 877810), (82, 813580), (95, 702248), (152, 438905), (164, 406790), (190, 351124), (205, 325432), (328, 203395), (380, 175562), (410, 162716), (760, 87781), (779, 85640), (820, 81358), (1558, 42820), (1640, 40679), (2141, 31160), (3116, 21410), (3895, 17128), (4282, 15580), (6232, 10705), (7790, 8564)]