40539880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8969}}^1$

素因数の和:9093

約数の個数: 32

約数和(自身を含む): 92032200

約数和(自身を除く): 51492320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 8969, 17938, 35876, 44845, 71752, 89690, 179380, 358760, 1013497, 2026994, 4053988, 5067485, 8107976, 10134970, 20269940, 40539880]

約数ペア:

[(1, 40539880), (2, 20269940), (4, 10134970), (5, 8107976), (8, 5067485), (10, 4053988), (20, 2026994), (40, 1013497), (113, 358760), (226, 179380), (452, 89690), (565, 71752), (904, 44845), (1130, 35876), (2260, 17938), (4520, 8969)]