55620040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{733}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 143746560

約数和(自身を除く): 88126520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 733, 1084, 1355, 1466, 1897, 2168, 2710, 2932, 3665, 3794, 5131, 5420, 5864, 7330, 7588, 9485, 10262, 10840, 14660, 15176, 18970, 20524, 25655, 29320, 37940, 41048, 51310, 75880, 102620, 198643, 205240, 397286, 794572, 993215, 1390501, 1589144, 1986430, 2781002, 3972860, 5562004, 6952505, 7945720, 11124008, 13905010, 27810020, 55620040]

約数ペア:

[(1, 55620040), (2, 27810020), (4, 13905010), (5, 11124008), (7, 7945720), (8, 6952505), (10, 5562004), (14, 3972860), (20, 2781002), (28, 1986430), (35, 1589144), (40, 1390501), (56, 993215), (70, 794572), (140, 397286), (271, 205240), (280, 198643), (542, 102620), (733, 75880), (1084, 51310), (1355, 41048), (1466, 37940), (1897, 29320), (2168, 25655), (2710, 20524), (2932, 18970), (3665, 15176), (3794, 14660), (5131, 10840), (5420, 10262), (5864, 9485), (7330, 7588)]