8305280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 20930400

約数和(自身を除く): 12625120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 683, 760, 1216, 1366, 1520, 2432, 2732, 3040, 3415, 5464, 6080, 6830, 10928, 12160, 12977, 13660, 21856, 25954, 27320, 43712, 51908, 54640, 64885, 87424, 103816, 109280, 129770, 207632, 218560, 259540, 415264, 437120, 519080, 830528, 1038160, 1661056, 2076320, 4152640, 8305280]

約数ペア:

[(1, 8305280), (2, 4152640), (4, 2076320), (5, 1661056), (8, 1038160), (10, 830528), (16, 519080), (19, 437120), (20, 415264), (32, 259540), (38, 218560), (40, 207632), (64, 129770), (76, 109280), (80, 103816), (95, 87424), (128, 64885), (152, 54640), (160, 51908), (190, 43712), (304, 27320), (320, 25954), (380, 21856), (608, 13660), (640, 12977), (683, 12160), (760, 10928), (1216, 6830), (1366, 6080), (1520, 5464), (2432, 3415), (2732, 3040)]