82474880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4157}}^1$

素因数の和:4207

約数の個数: 64

約数和(自身を含む): 203575680

約数和(自身を除く): 121100800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4157, 4960, 8314, 9920, 16628, 19840, 20785, 33256, 41570, 66512, 83140, 128867, 133024, 166280, 257734, 266048, 332560, 515468, 532096, 644335, 665120, 1030936, 1288670, 1330240, 2061872, 2577340, 2660480, 4123744, 5154680, 8247488, 10309360, 16494976, 20618720, 41237440, 82474880]

約数ペア:

[(1, 82474880), (2, 41237440), (4, 20618720), (5, 16494976), (8, 10309360), (10, 8247488), (16, 5154680), (20, 4123744), (31, 2660480), (32, 2577340), (40, 2061872), (62, 1330240), (64, 1288670), (80, 1030936), (124, 665120), (128, 644335), (155, 532096), (160, 515468), (248, 332560), (310, 266048), (320, 257734), (496, 166280), (620, 133024), (640, 128867), (992, 83140), (1240, 66512), (1984, 41570), (2480, 33256), (3968, 20785), (4157, 19840), (4960, 16628), (8314, 9920)]