40685680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 112211568

約数和(自身を除く): 71525888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 107, 112, 140, 194, 196, 214, 245, 280, 388, 392, 428, 485, 490, 535, 560, 679, 749, 776, 784, 856, 970, 980, 1070, 1358, 1498, 1552, 1712, 1940, 1960, 2140, 2716, 2996, 3395, 3745, 3880, 3920, 4280, 4753, 5243, 5432, 5992, 6790, 7490, 7760, 8560, 9506, 10379, 10486, 10864, 11984, 13580, 14980, 19012, 20758, 20972, 23765, 26215, 27160, 29960, 38024, 41516, 41944, 47530, 51895, 52430, 54320, 59920, 72653, 76048, 83032, 83888, 95060, 103790, 104860, 145306, 166064, 190120, 207580, 209720, 290612, 363265, 380240, 415160, 419440, 508571, 581224, 726530, 830320, 1017142, 1162448, 1453060, 2034284, 2542855, 2906120, 4068568, 5085710, 5812240, 8137136, 10171420, 20342840, 40685680]

約数ペア:

[(1, 40685680), (2, 20342840), (4, 10171420), (5, 8137136), (7, 5812240), (8, 5085710), (10, 4068568), (14, 2906120), (16, 2542855), (20, 2034284), (28, 1453060), (35, 1162448), (40, 1017142), (49, 830320), (56, 726530), (70, 581224), (80, 508571), (97, 419440), (98, 415160), (107, 380240), (112, 363265), (140, 290612), (194, 209720), (196, 207580), (214, 190120), (245, 166064), (280, 145306), (388, 104860), (392, 103790), (428, 95060), (485, 83888), (490, 83032), (535, 76048), (560, 72653), (679, 59920), (749, 54320), (776, 52430), (784, 51895), (856, 47530), (970, 41944), (980, 41516), (1070, 38024), (1358, 29960), (1498, 27160), (1552, 26215), (1712, 23765), (1940, 20972), (1960, 20758), (2140, 19012), (2716, 14980), (2996, 13580), (3395, 11984), (3745, 10864), (3880, 10486), (3920, 10379), (4280, 9506), (4753, 8560), (5243, 7760), (5432, 7490), (5992, 6790)]