251013880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{482719}}^1$

素因数の和:482743

約数の個数: 32

約数和(自身を含む): 608227200

約数和(自身を除く): 357213320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 482719, 965438, 1930876, 2413595, 3861752, 4827190, 6275347, 9654380, 12550694, 19308760, 25101388, 31376735, 50202776, 62753470, 125506940, 251013880]

約数ペア:

[(1, 251013880), (2, 125506940), (4, 62753470), (5, 50202776), (8, 31376735), (10, 25101388), (13, 19308760), (20, 12550694), (26, 9654380), (40, 6275347), (52, 4827190), (65, 3861752), (104, 2413595), (130, 1930876), (260, 965438), (520, 482719)]