64406000

素因数分解:

$2^4\times 5^3\times {\mathrm{32203}}^1$

素因数の和:32226

約数の個数: 40

約数和(自身を含む): 155738544

約数和(自身を除く): 91332544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 32203, 64406, 128812, 161015, 257624, 322030, 515248, 644060, 805075, 1288120, 1610150, 2576240, 3220300, 4025375, 6440600, 8050750, 12881200, 16101500, 32203000, 64406000]

約数ペア:

[(1, 64406000), (2, 32203000), (4, 16101500), (5, 12881200), (8, 8050750), (10, 6440600), (16, 4025375), (20, 3220300), (25, 2576240), (40, 1610150), (50, 1288120), (80, 805075), (100, 644060), (125, 515248), (200, 322030), (250, 257624), (400, 161015), (500, 128812), (1000, 64406), (2000, 32203)]