40305440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 114021432

約数和(自身を除く): 73715992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 97, 98, 106, 112, 140, 160, 194, 196, 212, 224, 245, 265, 280, 371, 388, 392, 424, 485, 490, 530, 560, 679, 742, 776, 784, 848, 970, 980, 1060, 1120, 1358, 1484, 1552, 1568, 1696, 1855, 1940, 1960, 2120, 2597, 2716, 2968, 3104, 3395, 3710, 3880, 3920, 4240, 4753, 5141, 5194, 5432, 5936, 6790, 7420, 7760, 7840, 8480, 9506, 10282, 10388, 10864, 11872, 12985, 13580, 14840, 15520, 19012, 20564, 20776, 21728, 23765, 25705, 25970, 27160, 29680, 35987, 38024, 41128, 41552, 47530, 51410, 51940, 54320, 59360, 71974, 76048, 82256, 83104, 95060, 102820, 103880, 108640, 143948, 152096, 164512, 179935, 190120, 205640, 207760, 251909, 287896, 359870, 380240, 411280, 415520, 503818, 575792, 719740, 760480, 822560, 1007636, 1151584, 1259545, 1439480, 2015272, 2519090, 2878960, 4030544, 5038180, 5757920, 8061088, 10076360, 20152720, 40305440]

約数ペア:

[(1, 40305440), (2, 20152720), (4, 10076360), (5, 8061088), (7, 5757920), (8, 5038180), (10, 4030544), (14, 2878960), (16, 2519090), (20, 2015272), (28, 1439480), (32, 1259545), (35, 1151584), (40, 1007636), (49, 822560), (53, 760480), (56, 719740), (70, 575792), (80, 503818), (97, 415520), (98, 411280), (106, 380240), (112, 359870), (140, 287896), (160, 251909), (194, 207760), (196, 205640), (212, 190120), (224, 179935), (245, 164512), (265, 152096), (280, 143948), (371, 108640), (388, 103880), (392, 102820), (424, 95060), (485, 83104), (490, 82256), (530, 76048), (560, 71974), (679, 59360), (742, 54320), (776, 51940), (784, 51410), (848, 47530), (970, 41552), (980, 41128), (1060, 38024), (1120, 35987), (1358, 29680), (1484, 27160), (1552, 25970), (1568, 25705), (1696, 23765), (1855, 21728), (1940, 20776), (1960, 20564), (2120, 19012), (2597, 15520), (2716, 14840), (2968, 13580), (3104, 12985), (3395, 11872), (3710, 10864), (3880, 10388), (3920, 10282), (4240, 9506), (4753, 8480), (5141, 7840), (5194, 7760), (5432, 7420), (5936, 6790)]