80089880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 126751720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 47, 52, 58, 65, 94, 104, 113, 116, 130, 145, 188, 226, 232, 235, 260, 290, 376, 377, 452, 470, 520, 565, 580, 611, 754, 904, 940, 1130, 1160, 1222, 1363, 1469, 1508, 1880, 1885, 2260, 2444, 2726, 2938, 3016, 3055, 3277, 3770, 4520, 4888, 5311, 5452, 5876, 6110, 6554, 6815, 7345, 7540, 10622, 10904, 11752, 12220, 13108, 13630, 14690, 15080, 16385, 17719, 21244, 24440, 26216, 26555, 27260, 29380, 32770, 35438, 42488, 42601, 53110, 54520, 58760, 65540, 69043, 70876, 85202, 88595, 106220, 131080, 138086, 141752, 154019, 170404, 177190, 212440, 213005, 276172, 308038, 340808, 345215, 354380, 426010, 552344, 616076, 690430, 708760, 770095, 852020, 1232152, 1380860, 1540190, 1704040, 2002247, 2761720, 3080380, 4004494, 6160760, 8008988, 10011235, 16017976, 20022470, 40044940, 80089880]

約数ペア:

[(1, 80089880), (2, 40044940), (4, 20022470), (5, 16017976), (8, 10011235), (10, 8008988), (13, 6160760), (20, 4004494), (26, 3080380), (29, 2761720), (40, 2002247), (47, 1704040), (52, 1540190), (58, 1380860), (65, 1232152), (94, 852020), (104, 770095), (113, 708760), (116, 690430), (130, 616076), (145, 552344), (188, 426010), (226, 354380), (232, 345215), (235, 340808), (260, 308038), (290, 276172), (376, 213005), (377, 212440), (452, 177190), (470, 170404), (520, 154019), (565, 141752), (580, 138086), (611, 131080), (754, 106220), (904, 88595), (940, 85202), (1130, 70876), (1160, 69043), (1222, 65540), (1363, 58760), (1469, 54520), (1508, 53110), (1880, 42601), (1885, 42488), (2260, 35438), (2444, 32770), (2726, 29380), (2938, 27260), (3016, 26555), (3055, 26216), (3277, 24440), (3770, 21244), (4520, 17719), (4888, 16385), (5311, 15080), (5452, 14690), (5876, 13630), (6110, 13108), (6554, 12220), (6815, 11752), (7345, 10904), (7540, 10622)]