90259520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1669}}^1$

素因数の和:1712

約数の個数: 84

約数和(自身を含む): 232874820

約数和(自身を除く): 142615300

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1669, 1690, 2080, 2704, 3338, 3380, 4160, 5408, 6676, 6760, 8345, 10816, 13352, 13520, 16690, 21697, 26704, 27040, 33380, 43394, 53408, 54080, 66760, 86788, 106816, 108485, 133520, 173576, 216970, 267040, 282061, 347152, 433940, 534080, 564122, 694304, 867880, 1128244, 1388608, 1410305, 1735760, 2256488, 2820610, 3471520, 4512976, 5641220, 6943040, 9025952, 11282440, 18051904, 22564880, 45129760, 90259520]

約数ペア:

[(1, 90259520), (2, 45129760), (4, 22564880), (5, 18051904), (8, 11282440), (10, 9025952), (13, 6943040), (16, 5641220), (20, 4512976), (26, 3471520), (32, 2820610), (40, 2256488), (52, 1735760), (64, 1410305), (65, 1388608), (80, 1128244), (104, 867880), (130, 694304), (160, 564122), (169, 534080), (208, 433940), (260, 347152), (320, 282061), (338, 267040), (416, 216970), (520, 173576), (676, 133520), (832, 108485), (845, 106816), (1040, 86788), (1352, 66760), (1669, 54080), (1690, 53408), (2080, 43394), (2704, 33380), (3338, 27040), (3380, 26704), (4160, 21697), (5408, 16690), (6676, 13520), (6760, 13352), (8345, 10816)]