55864400

素因数分解:

$2^4\times 5^2\times {\mathrm{139661}}^1$

素因数の和:139679

約数の個数: 30

約数和(自身を含む): 134215182

約数和(自身を除く): 78350782

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 139661, 279322, 558644, 698305, 1117288, 1396610, 2234576, 2793220, 3491525, 5586440, 6983050, 11172880, 13966100, 27932200, 55864400]

約数ペア:

[(1, 55864400), (2, 27932200), (4, 13966100), (5, 11172880), (8, 6983050), (10, 5586440), (16, 3491525), (20, 2793220), (25, 2234576), (40, 1396610), (50, 1117288), (80, 698305), (100, 558644), (200, 279322), (400, 139661)]