16899320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 22758280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 101, 178, 188, 202, 235, 356, 376, 404, 445, 470, 505, 712, 808, 890, 940, 1010, 1780, 1880, 2020, 3560, 4040, 4183, 4747, 8366, 8989, 9494, 16732, 17978, 18988, 20915, 23735, 33464, 35956, 37976, 41830, 44945, 47470, 71912, 83660, 89890, 94940, 167320, 179780, 189880, 359560, 422483, 844966, 1689932, 2112415, 3379864, 4224830, 8449660, 16899320]

約数ペア:

[(1, 16899320), (2, 8449660), (4, 4224830), (5, 3379864), (8, 2112415), (10, 1689932), (20, 844966), (40, 422483), (47, 359560), (89, 189880), (94, 179780), (101, 167320), (178, 94940), (188, 89890), (202, 83660), (235, 71912), (356, 47470), (376, 44945), (404, 41830), (445, 37976), (470, 35956), (505, 33464), (712, 23735), (808, 20915), (890, 18988), (940, 17978), (1010, 16732), (1780, 9494), (1880, 8989), (2020, 8366), (3560, 4747), (4040, 4183)]