25130768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6359}}^1$

素因数の和:6399

約数の個数: 40

約数和(自身を含む): 55204800

約数和(自身を除く): 30074032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6359, 12718, 25436, 50872, 82667, 101744, 120821, 165334, 241642, 330668, 483284, 661336, 966568, 1322672, 1570673, 1933136, 3141346, 6282692, 12565384, 25130768]

約数ペア:

[(1, 25130768), (2, 12565384), (4, 6282692), (8, 3141346), (13, 1933136), (16, 1570673), (19, 1322672), (26, 966568), (38, 661336), (52, 483284), (76, 330668), (104, 241642), (152, 165334), (208, 120821), (247, 101744), (304, 82667), (494, 50872), (988, 25436), (1976, 12718), (3952, 6359)]