25973350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 53746560

約数和(自身を除く): 27773210

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1289, 1550, 2015, 2578, 4030, 6445, 10075, 12890, 16757, 20150, 32225, 33514, 39959, 64450, 79918, 83785, 167570, 199795, 399590, 418925, 519467, 837850, 998975, 1038934, 1997950, 2597335, 5194670, 12986675, 25973350]

約数ペア:

[(1, 25973350), (2, 12986675), (5, 5194670), (10, 2597335), (13, 1997950), (25, 1038934), (26, 998975), (31, 837850), (50, 519467), (62, 418925), (65, 399590), (130, 199795), (155, 167570), (310, 83785), (325, 79918), (403, 64450), (650, 39959), (775, 33514), (806, 32225), (1289, 20150), (1550, 16757), (2015, 12890), (2578, 10075), (4030, 6445)]