13130140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 29383200

約数和(自身を除く): 16253060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 317, 380, 436, 545, 634, 1090, 1268, 1585, 2071, 2180, 3170, 4142, 6023, 6340, 8284, 10355, 12046, 20710, 24092, 30115, 34553, 41420, 60230, 69106, 120460, 138212, 172765, 345530, 656507, 691060, 1313014, 2626028, 3282535, 6565070, 13130140]

約数ペア:

[(1, 13130140), (2, 6565070), (4, 3282535), (5, 2626028), (10, 1313014), (19, 691060), (20, 656507), (38, 345530), (76, 172765), (95, 138212), (109, 120460), (190, 69106), (218, 60230), (317, 41420), (380, 34553), (436, 30115), (545, 24092), (634, 20710), (1090, 12046), (1268, 10355), (1585, 8284), (2071, 6340), (2180, 6023), (3170, 4142)]