77836240

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2129}}^1$

素因数の和:2599

約数の個数: 40

約数和(自身を含む): 181450440

約数和(自身を除く): 103614200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2129, 2285, 3656, 4258, 4570, 7312, 8516, 9140, 10645, 17032, 18280, 21290, 34064, 36560, 42580, 85160, 170320, 972953, 1945906, 3891812, 4864765, 7783624, 9729530, 15567248, 19459060, 38918120, 77836240]

約数ペア:

[(1, 77836240), (2, 38918120), (4, 19459060), (5, 15567248), (8, 9729530), (10, 7783624), (16, 4864765), (20, 3891812), (40, 1945906), (80, 972953), (457, 170320), (914, 85160), (1828, 42580), (2129, 36560), (2285, 34064), (3656, 21290), (4258, 18280), (4570, 17032), (7312, 10645), (8516, 9140)]