16087760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 41664000

約数和(自身を除く): 25576240

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, 499, 520, 620, 806, 998, 1040, 1240, 1612, 1996, 2015, 2480, 2495, 3224, 3992, 4030, 4990, 6448, 6487, 7984, 8060, 9980, 12974, 15469, 16120, 19960, 25948, 30938, 32240, 32435, 39920, 51896, 61876, 64870, 77345, 103792, 123752, 129740, 154690, 201097, 247504, 259480, 309380, 402194, 518960, 618760, 804388, 1005485, 1237520, 1608776, 2010970, 3217552, 4021940, 8043880, 16087760]

約数ペア:

[(1, 16087760), (2, 8043880), (4, 4021940), (5, 3217552), (8, 2010970), (10, 1608776), (13, 1237520), (16, 1005485), (20, 804388), (26, 618760), (31, 518960), (40, 402194), (52, 309380), (62, 259480), (65, 247504), (80, 201097), (104, 154690), (124, 129740), (130, 123752), (155, 103792), (208, 77345), (248, 64870), (260, 61876), (310, 51896), (403, 39920), (496, 32435), (499, 32240), (520, 30938), (620, 25948), (806, 19960), (998, 16120), (1040, 15469), (1240, 12974), (1612, 9980), (1996, 8060), (2015, 7984), (2480, 6487), (2495, 6448), (3224, 4990), (3992, 4030)]