25888070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 28302010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 94, 95, 130, 190, 223, 235, 247, 446, 470, 494, 611, 893, 1115, 1222, 1235, 1786, 2230, 2470, 2899, 3055, 4237, 4465, 5798, 6110, 8474, 8930, 10481, 11609, 14495, 20962, 21185, 23218, 28990, 42370, 52405, 55081, 58045, 104810, 110162, 116090, 136253, 199139, 272506, 275405, 398278, 550810, 681265, 995695, 1362530, 1991390, 2588807, 5177614, 12944035, 25888070]

約数ペア:

[(1, 25888070), (2, 12944035), (5, 5177614), (10, 2588807), (13, 1991390), (19, 1362530), (26, 995695), (38, 681265), (47, 550810), (65, 398278), (94, 275405), (95, 272506), (130, 199139), (190, 136253), (223, 116090), (235, 110162), (247, 104810), (446, 58045), (470, 55081), (494, 52405), (611, 42370), (893, 28990), (1115, 23218), (1222, 21185), (1235, 20962), (1786, 14495), (2230, 11609), (2470, 10481), (2899, 8930), (3055, 8474), (4237, 6110), (4465, 5798)]