13042700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 31497984

約数和(自身を除く): 18455284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 167, 220, 275, 284, 334, 355, 550, 668, 710, 781, 835, 1100, 1420, 1562, 1670, 1775, 1837, 3124, 3340, 3550, 3674, 3905, 4175, 7100, 7348, 7810, 8350, 9185, 11857, 15620, 16700, 18370, 19525, 23714, 36740, 39050, 45925, 47428, 59285, 78100, 91850, 118570, 130427, 183700, 237140, 260854, 296425, 521708, 592850, 652135, 1185700, 1304270, 2608540, 3260675, 6521350, 13042700]

約数ペア:

[(1, 13042700), (2, 6521350), (4, 3260675), (5, 2608540), (10, 1304270), (11, 1185700), (20, 652135), (22, 592850), (25, 521708), (44, 296425), (50, 260854), (55, 237140), (71, 183700), (100, 130427), (110, 118570), (142, 91850), (167, 78100), (220, 59285), (275, 47428), (284, 45925), (334, 39050), (355, 36740), (550, 23714), (668, 19525), (710, 18370), (781, 16700), (835, 15620), (1100, 11857), (1420, 9185), (1562, 8350), (1670, 7810), (1775, 7348), (1837, 7100), (3124, 4175), (3340, 3905), (3550, 3674)]