5100400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:370

約数の個数: 60

約数和(自身を含む): 12592944

約数和(自身を除く): 7492544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 311, 328, 400, 410, 622, 656, 820, 1025, 1244, 1555, 1640, 2050, 2488, 3110, 3280, 4100, 4976, 6220, 7775, 8200, 12440, 12751, 15550, 16400, 24880, 25502, 31100, 51004, 62200, 63755, 102008, 124400, 127510, 204016, 255020, 318775, 510040, 637550, 1020080, 1275100, 2550200, 5100400]

約数ペア:

[(1, 5100400), (2, 2550200), (4, 1275100), (5, 1020080), (8, 637550), (10, 510040), (16, 318775), (20, 255020), (25, 204016), (40, 127510), (41, 124400), (50, 102008), (80, 63755), (82, 62200), (100, 51004), (164, 31100), (200, 25502), (205, 24880), (311, 16400), (328, 15550), (400, 12751), (410, 12440), (622, 8200), (656, 7775), (820, 6220), (1025, 4976), (1244, 4100), (1555, 3280), (1640, 3110), (2050, 2488)]