39139760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 100707840

約数和(自身を除く): 61568080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 563, 632, 790, 869, 880, 1126, 1264, 1580, 1738, 2252, 2815, 3160, 3476, 4345, 4504, 5630, 6193, 6320, 6952, 8690, 9008, 11260, 12386, 13904, 17380, 22520, 24772, 30965, 34760, 44477, 45040, 49544, 61930, 69520, 88954, 99088, 123860, 177908, 222385, 247720, 355816, 444770, 489247, 495440, 711632, 889540, 978494, 1779080, 1956988, 2446235, 3558160, 3913976, 4892470, 7827952, 9784940, 19569880, 39139760]

約数ペア:

[(1, 39139760), (2, 19569880), (4, 9784940), (5, 7827952), (8, 4892470), (10, 3913976), (11, 3558160), (16, 2446235), (20, 1956988), (22, 1779080), (40, 978494), (44, 889540), (55, 711632), (79, 495440), (80, 489247), (88, 444770), (110, 355816), (158, 247720), (176, 222385), (220, 177908), (316, 123860), (395, 99088), (440, 88954), (563, 69520), (632, 61930), (790, 49544), (869, 45040), (880, 44477), (1126, 34760), (1264, 30965), (1580, 24772), (1738, 22520), (2252, 17380), (2815, 13904), (3160, 12386), (3476, 11260), (4345, 9008), (4504, 8690), (5630, 6952), (6193, 6320)]