1648653500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{253639}}^1$

素因数の和:253671

約数の個数: 48

約数和(自身を含む): 3877648320

約数和(自身を除く): 2228994820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 253639, 507278, 1014556, 1268195, 2536390, 3297307, 5072780, 6340975, 6594614, 12681950, 13189228, 16486535, 25363900, 31704875, 32973070, 63409750, 65946140, 82432675, 126819500, 164865350, 329730700, 412163375, 824326750, 1648653500]

約数ペア:

[(1, 1648653500), (2, 824326750), (4, 412163375), (5, 329730700), (10, 164865350), (13, 126819500), (20, 82432675), (25, 65946140), (26, 63409750), (50, 32973070), (52, 31704875), (65, 25363900), (100, 16486535), (125, 13189228), (130, 12681950), (250, 6594614), (260, 6340975), (325, 5072780), (500, 3297307), (650, 2536390), (1300, 1268195), (1625, 1014556), (3250, 507278), (6500, 253639)]