31413460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6359}}^1$

素因数の和:6400

約数の個数: 48

約数和(自身を含む): 74793600

約数和(自身を除く): 43380140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 6359, 12718, 25436, 31795, 63590, 82667, 120821, 127180, 165334, 241642, 330668, 413335, 483284, 604105, 826670, 1208210, 1570673, 1653340, 2416420, 3141346, 6282692, 7853365, 15706730, 31413460]

約数ペア:

[(1, 31413460), (2, 15706730), (4, 7853365), (5, 6282692), (10, 3141346), (13, 2416420), (19, 1653340), (20, 1570673), (26, 1208210), (38, 826670), (52, 604105), (65, 483284), (76, 413335), (95, 330668), (130, 241642), (190, 165334), (247, 127180), (260, 120821), (380, 82667), (494, 63590), (988, 31795), (1235, 25436), (2470, 12718), (4940, 6359)]