25823440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7873}}^1$

素因数の和:7927

約数の個数: 40

約数和(自身を含む): 61511688

約数和(自身を除く): 35688248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7873, 15746, 31492, 39365, 62984, 78730, 125968, 157460, 314920, 322793, 629840, 645586, 1291172, 1613965, 2582344, 3227930, 5164688, 6455860, 12911720, 25823440]

約数ペア:

[(1, 25823440), (2, 12911720), (4, 6455860), (5, 5164688), (8, 3227930), (10, 2582344), (16, 1613965), (20, 1291172), (40, 645586), (41, 629840), (80, 322793), (82, 314920), (164, 157460), (205, 125968), (328, 78730), (410, 62984), (656, 39365), (820, 31492), (1640, 15746), (3280, 7873)]