139040

素因数分解:

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

素因数の和:105

約数の個数: 48

約数和(自身を含む): 362880

約数和(自身を除く): 223840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 1760, 2528, 3160, 3476, 4345, 6320, 6952, 8690, 12640, 13904, 17380, 27808, 34760, 69520, 139040]

約数ペア:

[(1, 139040), (2, 69520), (4, 34760), (5, 27808), (8, 17380), (10, 13904), (11, 12640), (16, 8690), (20, 6952), (22, 6320), (32, 4345), (40, 3476), (44, 3160), (55, 2528), (79, 1760), (80, 1738), (88, 1580), (110, 1264), (158, 880), (160, 869), (176, 790), (220, 632), (316, 440), (352, 395)]