38620660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 88376400

約数和(自身を除く): 49755740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1669, 1780, 2314, 3338, 4628, 5785, 6676, 8345, 11570, 16690, 21697, 23140, 33380, 43394, 86788, 108485, 148541, 216970, 297082, 433940, 594164, 742705, 1485410, 1931033, 2970820, 3862066, 7724132, 9655165, 19310330, 38620660]

約数ペア:

[(1, 38620660), (2, 19310330), (4, 9655165), (5, 7724132), (10, 3862066), (13, 2970820), (20, 1931033), (26, 1485410), (52, 742705), (65, 594164), (89, 433940), (130, 297082), (178, 216970), (260, 148541), (356, 108485), (445, 86788), (890, 43394), (1157, 33380), (1669, 23140), (1780, 21697), (2314, 16690), (3338, 11570), (4628, 8345), (5785, 6676)]