40462240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 144

約数和(自身を含む): 120054312

約数和(自身を除く): 79592072

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 397, 416, 455, 490, 520, 560, 637, 728, 784, 794, 910, 980, 1040, 1120, 1274, 1456, 1568, 1588, 1820, 1960, 1985, 2080, 2548, 2779, 2912, 3176, 3185, 3640, 3920, 3970, 5096, 5161, 5558, 6352, 6370, 7280, 7840, 7940, 10192, 10322, 11116, 12704, 12740, 13895, 14560, 15880, 19453, 20384, 20644, 22232, 25480, 25805, 27790, 31760, 36127, 38906, 41288, 44464, 50960, 51610, 55580, 63520, 72254, 77812, 82576, 88928, 97265, 101920, 103220, 111160, 144508, 155624, 165152, 180635, 194530, 206440, 222320, 252889, 289016, 311248, 361270, 389060, 412880, 444640, 505778, 578032, 622496, 722540, 778120, 825760, 1011556, 1156064, 1264445, 1445080, 1556240, 2023112, 2528890, 2890160, 3112480, 4046224, 5057780, 5780320, 8092448, 10115560, 20231120, 40462240]

約数ペア:

[(1, 40462240), (2, 20231120), (4, 10115560), (5, 8092448), (7, 5780320), (8, 5057780), (10, 4046224), (13, 3112480), (14, 2890160), (16, 2528890), (20, 2023112), (26, 1556240), (28, 1445080), (32, 1264445), (35, 1156064), (40, 1011556), (49, 825760), (52, 778120), (56, 722540), (65, 622496), (70, 578032), (80, 505778), (91, 444640), (98, 412880), (104, 389060), (112, 361270), (130, 311248), (140, 289016), (160, 252889), (182, 222320), (196, 206440), (208, 194530), (224, 180635), (245, 165152), (260, 155624), (280, 144508), (364, 111160), (392, 103220), (397, 101920), (416, 97265), (455, 88928), (490, 82576), (520, 77812), (560, 72254), (637, 63520), (728, 55580), (784, 51610), (794, 50960), (910, 44464), (980, 41288), (1040, 38906), (1120, 36127), (1274, 31760), (1456, 27790), (1568, 25805), (1588, 25480), (1820, 22232), (1960, 20644), (1985, 20384), (2080, 19453), (2548, 15880), (2779, 14560), (2912, 13895), (3176, 12740), (3185, 12704), (3640, 11116), (3920, 10322), (3970, 10192), (5096, 7940), (5161, 7840), (5558, 7280), (6352, 6370)]