16539760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 40979520

約数和(自身を除く): 24439760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 101, 115, 178, 184, 202, 230, 356, 368, 404, 445, 460, 505, 712, 808, 890, 920, 1010, 1424, 1616, 1780, 1840, 2020, 2047, 2323, 3560, 4040, 4094, 4646, 7120, 8080, 8188, 8989, 9292, 10235, 11615, 16376, 17978, 18584, 20470, 23230, 32752, 35956, 37168, 40940, 44945, 46460, 71912, 81880, 89890, 92920, 143824, 163760, 179780, 185840, 206747, 359560, 413494, 719120, 826988, 1033735, 1653976, 2067470, 3307952, 4134940, 8269880, 16539760]

約数ペア:

[(1, 16539760), (2, 8269880), (4, 4134940), (5, 3307952), (8, 2067470), (10, 1653976), (16, 1033735), (20, 826988), (23, 719120), (40, 413494), (46, 359560), (80, 206747), (89, 185840), (92, 179780), (101, 163760), (115, 143824), (178, 92920), (184, 89890), (202, 81880), (230, 71912), (356, 46460), (368, 44945), (404, 40940), (445, 37168), (460, 35956), (505, 32752), (712, 23230), (808, 20470), (890, 18584), (920, 17978), (1010, 16376), (1424, 11615), (1616, 10235), (1780, 9292), (1840, 8989), (2020, 8188), (2047, 8080), (2323, 7120), (3560, 4646), (4040, 4094)]