40408352

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 81994752

約数和(自身を除く): 41586400

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 127, 163, 244, 254, 326, 488, 508, 652, 976, 1016, 1304, 1952, 2032, 2608, 4064, 5216, 7747, 9943, 15494, 19886, 20701, 30988, 39772, 41402, 61976, 79544, 82804, 123952, 159088, 165608, 247904, 318176, 331216, 662432, 1262761, 2525522, 5051044, 10102088, 20204176, 40408352]

約数ペア:

[(1, 40408352), (2, 20204176), (4, 10102088), (8, 5051044), (16, 2525522), (32, 1262761), (61, 662432), (122, 331216), (127, 318176), (163, 247904), (244, 165608), (254, 159088), (326, 123952), (488, 82804), (508, 79544), (652, 61976), (976, 41402), (1016, 39772), (1304, 30988), (1952, 20701), (2032, 19886), (2608, 15494), (4064, 9943), (5216, 7747)]