25354840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 40689320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1091, 1162, 1660, 2182, 2324, 2905, 3320, 4364, 4648, 5455, 5810, 7637, 8728, 10910, 11620, 15274, 21820, 23240, 30548, 38185, 43640, 61096, 76370, 90553, 152740, 181106, 305480, 362212, 452765, 633871, 724424, 905530, 1267742, 1811060, 2535484, 3169355, 3622120, 5070968, 6338710, 12677420, 25354840]

約数ペア:

[(1, 25354840), (2, 12677420), (4, 6338710), (5, 5070968), (7, 3622120), (8, 3169355), (10, 2535484), (14, 1811060), (20, 1267742), (28, 905530), (35, 724424), (40, 633871), (56, 452765), (70, 362212), (83, 305480), (140, 181106), (166, 152740), (280, 90553), (332, 76370), (415, 61096), (581, 43640), (664, 38185), (830, 30548), (1091, 23240), (1162, 21820), (1660, 15274), (2182, 11620), (2324, 10910), (2905, 8728), (3320, 7637), (4364, 5810), (4648, 5455)]