25080520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{373}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 57996180

約数和(自身を除く): 32915660

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 373, 410, 746, 820, 1492, 1640, 1681, 1865, 2984, 3362, 3730, 6724, 7460, 8405, 13448, 14920, 15293, 16810, 30586, 33620, 61172, 67240, 76465, 122344, 152930, 305860, 611720, 627013, 1254026, 2508052, 3135065, 5016104, 6270130, 12540260, 25080520]

約数ペア:

[(1, 25080520), (2, 12540260), (4, 6270130), (5, 5016104), (8, 3135065), (10, 2508052), (20, 1254026), (40, 627013), (41, 611720), (82, 305860), (164, 152930), (205, 122344), (328, 76465), (373, 67240), (410, 61172), (746, 33620), (820, 30586), (1492, 16810), (1640, 15293), (1681, 14920), (1865, 13448), (2984, 8405), (3362, 7460), (3730, 6724)]