56447360

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1099

約数の個数: 64

約数和(自身を含む): 136598400

約数和(自身を除く): 80151040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 991, 1424, 1780, 1982, 2848, 3560, 3964, 4955, 5696, 7120, 7928, 9910, 11392, 14240, 15856, 19820, 28480, 31712, 39640, 56960, 63424, 79280, 88199, 126848, 158560, 176398, 317120, 352796, 440995, 634240, 705592, 881990, 1411184, 1763980, 2822368, 3527960, 5644736, 7055920, 11289472, 14111840, 28223680, 56447360]

約数ペア:

[(1, 56447360), (2, 28223680), (4, 14111840), (5, 11289472), (8, 7055920), (10, 5644736), (16, 3527960), (20, 2822368), (32, 1763980), (40, 1411184), (64, 881990), (80, 705592), (89, 634240), (128, 440995), (160, 352796), (178, 317120), (320, 176398), (356, 158560), (445, 126848), (640, 88199), (712, 79280), (890, 63424), (991, 56960), (1424, 39640), (1780, 31712), (1982, 28480), (2848, 19820), (3560, 15856), (3964, 14240), (4955, 11392), (5696, 9910), (7120, 7928)]