78667840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14461}}^1$

素因数の和:14495

約数の個数: 56

約数和(自身を含む): 198360792

約数和(自身を除く): 119692952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14461, 28922, 57844, 72305, 115688, 144610, 231376, 245837, 289220, 462752, 491674, 578440, 925504, 983348, 1156880, 1229185, 1966696, 2313760, 2458370, 3933392, 4627520, 4916740, 7866784, 9833480, 15733568, 19666960, 39333920, 78667840]

約数ペア:

[(1, 78667840), (2, 39333920), (4, 19666960), (5, 15733568), (8, 9833480), (10, 7866784), (16, 4916740), (17, 4627520), (20, 3933392), (32, 2458370), (34, 2313760), (40, 1966696), (64, 1229185), (68, 1156880), (80, 983348), (85, 925504), (136, 578440), (160, 491674), (170, 462752), (272, 289220), (320, 245837), (340, 231376), (544, 144610), (680, 115688), (1088, 72305), (1360, 57844), (2720, 28922), (5440, 14461)]