265613140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1619}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 602017920

約数和(自身を除く): 336404780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631, 1262, 1619, 2524, 3155, 3238, 6310, 6476, 8095, 8203, 12620, 16190, 16406, 21047, 32380, 32812, 41015, 42094, 82030, 84188, 105235, 164060, 210470, 420940, 1021589, 2043178, 4086356, 5107945, 10215890, 13280657, 20431780, 26561314, 53122628, 66403285, 132806570, 265613140]

約数ペア:

[(1, 265613140), (2, 132806570), (4, 66403285), (5, 53122628), (10, 26561314), (13, 20431780), (20, 13280657), (26, 10215890), (52, 5107945), (65, 4086356), (130, 2043178), (260, 1021589), (631, 420940), (1262, 210470), (1619, 164060), (2524, 105235), (3155, 84188), (3238, 82030), (6310, 42094), (6476, 41015), (8095, 32812), (8203, 32380), (12620, 21047), (16190, 16406)]