16298061520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{505523}}^1$

素因数の和:505580

約数の個数: 80

約数和(自身を含む): 42124303872

約数和(自身を除く): 25826242352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 505523, 1011046, 2022092, 2527615, 4044184, 5055230, 6571799, 8088368, 10110460, 13143598, 15671213, 20220920, 26287196, 31342426, 32858995, 40441840, 52574392, 62684852, 65717990, 78356065, 105148784, 125369704, 131435980, 156712130, 203725769, 250739408, 262871960, 313424260, 407451538, 525743920, 626848520, 814903076, 1018628845, 1253697040, 1629806152, 2037257690, 3259612304, 4074515380, 8149030760, 16298061520]

約数ペア:

[(1, 16298061520), (2, 8149030760), (4, 4074515380), (5, 3259612304), (8, 2037257690), (10, 1629806152), (13, 1253697040), (16, 1018628845), (20, 814903076), (26, 626848520), (31, 525743920), (40, 407451538), (52, 313424260), (62, 262871960), (65, 250739408), (80, 203725769), (104, 156712130), (124, 131435980), (130, 125369704), (155, 105148784), (208, 78356065), (248, 65717990), (260, 62684852), (310, 52574392), (403, 40441840), (496, 32858995), (520, 31342426), (620, 26287196), (806, 20220920), (1040, 15671213), (1240, 13143598), (1612, 10110460), (2015, 8088368), (2480, 6571799), (3224, 5055230), (4030, 4044184), (6448, 2527615), (8060, 2022092), (16120, 1011046), (32240, 505523)]