80817070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 156472128

約数和(自身を除く): 75655058

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 361, 367, 610, 722, 734, 1159, 1805, 1835, 2318, 3610, 3670, 5795, 6973, 11590, 13946, 22021, 22387, 34865, 44042, 44774, 69730, 110105, 111935, 132487, 220210, 223870, 264974, 425353, 662435, 850706, 1324870, 2126765, 4253530, 8081707, 16163414, 40408535, 80817070]

約数ペア:

[(1, 80817070), (2, 40408535), (5, 16163414), (10, 8081707), (19, 4253530), (38, 2126765), (61, 1324870), (95, 850706), (122, 662435), (190, 425353), (305, 264974), (361, 223870), (367, 220210), (610, 132487), (722, 111935), (734, 110105), (1159, 69730), (1805, 44774), (1835, 44042), (2318, 34865), (3610, 22387), (3670, 22021), (5795, 13946), (6973, 11590)]