25792880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 38488720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 239, 284, 304, 355, 380, 478, 568, 710, 760, 956, 1136, 1195, 1349, 1420, 1520, 1912, 2390, 2698, 2840, 3824, 4541, 4780, 5396, 5680, 6745, 9082, 9560, 10792, 13490, 16969, 18164, 19120, 21584, 22705, 26980, 33938, 36328, 45410, 53960, 67876, 72656, 84845, 90820, 107920, 135752, 169690, 181640, 271504, 322411, 339380, 363280, 644822, 678760, 1289644, 1357520, 1612055, 2579288, 3224110, 5158576, 6448220, 12896440, 25792880]

約数ペア:

[(1, 25792880), (2, 12896440), (4, 6448220), (5, 5158576), (8, 3224110), (10, 2579288), (16, 1612055), (19, 1357520), (20, 1289644), (38, 678760), (40, 644822), (71, 363280), (76, 339380), (80, 322411), (95, 271504), (142, 181640), (152, 169690), (190, 135752), (239, 107920), (284, 90820), (304, 84845), (355, 72656), (380, 67876), (478, 53960), (568, 45410), (710, 36328), (760, 33938), (956, 26980), (1136, 22705), (1195, 21584), (1349, 19120), (1420, 18164), (1520, 16969), (1912, 13490), (2390, 10792), (2698, 9560), (2840, 9082), (3824, 6745), (4541, 5680), (4780, 5396)]