39999040

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:779

約数の個数: 56

約数和(自身を含む): 95829120

約数和(自身を除く): 55830080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 320, 478, 523, 956, 1046, 1195, 1912, 2092, 2390, 2615, 3824, 4184, 4780, 5230, 7648, 8368, 9560, 10460, 15296, 16736, 19120, 20920, 33472, 38240, 41840, 76480, 83680, 124997, 167360, 249994, 499988, 624985, 999976, 1249970, 1999952, 2499940, 3999904, 4999880, 7999808, 9999760, 19999520, 39999040]

約数ペア:

[(1, 39999040), (2, 19999520), (4, 9999760), (5, 7999808), (8, 4999880), (10, 3999904), (16, 2499940), (20, 1999952), (32, 1249970), (40, 999976), (64, 624985), (80, 499988), (160, 249994), (239, 167360), (320, 124997), (478, 83680), (523, 76480), (956, 41840), (1046, 38240), (1195, 33472), (1912, 20920), (2092, 19120), (2390, 16736), (2615, 15296), (3824, 10460), (4184, 9560), (4780, 8368), (5230, 7648)]