80668120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2927}}^1$

素因数の和:3004

約数の個数: 64

約数和(自身を含む): 199221120

約数和(自身を除く): 118553000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 2927, 3445, 5512, 5854, 6890, 11708, 13780, 14635, 23416, 27560, 29270, 38051, 58540, 76102, 117080, 152204, 155131, 190255, 304408, 310262, 380510, 620524, 761020, 775655, 1241048, 1522040, 1551310, 2016703, 3102620, 4033406, 6205240, 8066812, 10083515, 16133624, 20167030, 40334060, 80668120]

約数ペア:

[(1, 80668120), (2, 40334060), (4, 20167030), (5, 16133624), (8, 10083515), (10, 8066812), (13, 6205240), (20, 4033406), (26, 3102620), (40, 2016703), (52, 1551310), (53, 1522040), (65, 1241048), (104, 775655), (106, 761020), (130, 620524), (212, 380510), (260, 310262), (265, 304408), (424, 190255), (520, 155131), (530, 152204), (689, 117080), (1060, 76102), (1378, 58540), (2120, 38051), (2756, 29270), (2927, 27560), (3445, 23416), (5512, 14635), (5854, 13780), (6890, 11708)]