25204450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 50577120

約数和(自身を除く): 25372670

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 190, 215, 430, 475, 617, 817, 950, 1075, 1234, 1634, 2150, 3085, 4085, 6170, 8170, 11723, 15425, 20425, 23446, 26531, 30850, 40850, 53062, 58615, 117230, 132655, 265310, 293075, 504089, 586150, 663275, 1008178, 1326550, 2520445, 5040890, 12602225, 25204450]

約数ペア:

[(1, 25204450), (2, 12602225), (5, 5040890), (10, 2520445), (19, 1326550), (25, 1008178), (38, 663275), (43, 586150), (50, 504089), (86, 293075), (95, 265310), (190, 132655), (215, 117230), (430, 58615), (475, 53062), (617, 40850), (817, 30850), (950, 26531), (1075, 23446), (1234, 20425), (1634, 15425), (2150, 11723), (3085, 8170), (4085, 6170)]