8700640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 22861440

約数和(自身を除く): 14160800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 89, 94, 104, 130, 160, 178, 188, 208, 235, 260, 356, 376, 416, 445, 470, 520, 611, 712, 752, 890, 940, 1040, 1157, 1222, 1424, 1504, 1780, 1880, 2080, 2314, 2444, 2848, 3055, 3560, 3760, 4183, 4628, 4888, 5785, 6110, 7120, 7520, 8366, 9256, 9776, 11570, 12220, 14240, 16732, 18512, 19552, 20915, 23140, 24440, 33464, 37024, 41830, 46280, 48880, 54379, 66928, 83660, 92560, 97760, 108758, 133856, 167320, 185120, 217516, 271895, 334640, 435032, 543790, 669280, 870064, 1087580, 1740128, 2175160, 4350320, 8700640]

約数ペア:

[(1, 8700640), (2, 4350320), (4, 2175160), (5, 1740128), (8, 1087580), (10, 870064), (13, 669280), (16, 543790), (20, 435032), (26, 334640), (32, 271895), (40, 217516), (47, 185120), (52, 167320), (65, 133856), (80, 108758), (89, 97760), (94, 92560), (104, 83660), (130, 66928), (160, 54379), (178, 48880), (188, 46280), (208, 41830), (235, 37024), (260, 33464), (356, 24440), (376, 23140), (416, 20915), (445, 19552), (470, 18512), (520, 16732), (611, 14240), (712, 12220), (752, 11570), (890, 9776), (940, 9256), (1040, 8366), (1157, 7520), (1222, 7120), (1424, 6110), (1504, 5785), (1780, 4888), (1880, 4628), (2080, 4183), (2314, 3760), (2444, 3560), (2848, 3055)]