40047784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 59485016

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 31, 34, 46, 56, 59, 62, 68, 92, 118, 119, 124, 136, 161, 184, 217, 236, 238, 248, 322, 391, 413, 434, 472, 476, 527, 644, 713, 782, 826, 868, 952, 1003, 1054, 1288, 1357, 1426, 1564, 1652, 1736, 1829, 2006, 2108, 2714, 2737, 2852, 3128, 3304, 3658, 3689, 4012, 4216, 4991, 5428, 5474, 5704, 7021, 7316, 7378, 8024, 9499, 9982, 10856, 10948, 12121, 12803, 14042, 14632, 14756, 18998, 19964, 21896, 23069, 24242, 25606, 28084, 29512, 31093, 37996, 39928, 42067, 46138, 48484, 51212, 56168, 62186, 75992, 84134, 84847, 92276, 96968, 102424, 124372, 161483, 168268, 169694, 184552, 217651, 248744, 294469, 322966, 336536, 339388, 435302, 588938, 645932, 678776, 715139, 870604, 1177876, 1291864, 1430278, 1741208, 2355752, 2860556, 5005973, 5721112, 10011946, 20023892, 40047784]

約数ペア:

[(1, 40047784), (2, 20023892), (4, 10011946), (7, 5721112), (8, 5005973), (14, 2860556), (17, 2355752), (23, 1741208), (28, 1430278), (31, 1291864), (34, 1177876), (46, 870604), (56, 715139), (59, 678776), (62, 645932), (68, 588938), (92, 435302), (118, 339388), (119, 336536), (124, 322966), (136, 294469), (161, 248744), (184, 217651), (217, 184552), (236, 169694), (238, 168268), (248, 161483), (322, 124372), (391, 102424), (413, 96968), (434, 92276), (472, 84847), (476, 84134), (527, 75992), (644, 62186), (713, 56168), (782, 51212), (826, 48484), (868, 46138), (952, 42067), (1003, 39928), (1054, 37996), (1288, 31093), (1357, 29512), (1426, 28084), (1564, 25606), (1652, 24242), (1736, 23069), (1829, 21896), (2006, 19964), (2108, 18998), (2714, 14756), (2737, 14632), (2852, 14042), (3128, 12803), (3304, 12121), (3658, 10948), (3689, 10856), (4012, 9982), (4216, 9499), (4991, 8024), (5428, 7378), (5474, 7316), (5704, 7021)]