8821540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 23595264

約数和(自身を除く): 14773724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 131, 140, 148, 182, 185, 259, 260, 262, 364, 370, 455, 481, 518, 524, 655, 740, 910, 917, 962, 1036, 1295, 1310, 1703, 1820, 1834, 1924, 2405, 2590, 2620, 3367, 3406, 3668, 4585, 4810, 4847, 5180, 6734, 6812, 8515, 9170, 9620, 9694, 11921, 13468, 16835, 17030, 18340, 19388, 23842, 24235, 33670, 33929, 34060, 47684, 48470, 59605, 63011, 67340, 67858, 96940, 119210, 126022, 135716, 169645, 238420, 252044, 315055, 339290, 441077, 630110, 678580, 882154, 1260220, 1764308, 2205385, 4410770, 8821540]

約数ペア:

[(1, 8821540), (2, 4410770), (4, 2205385), (5, 1764308), (7, 1260220), (10, 882154), (13, 678580), (14, 630110), (20, 441077), (26, 339290), (28, 315055), (35, 252044), (37, 238420), (52, 169645), (65, 135716), (70, 126022), (74, 119210), (91, 96940), (130, 67858), (131, 67340), (140, 63011), (148, 59605), (182, 48470), (185, 47684), (259, 34060), (260, 33929), (262, 33670), (364, 24235), (370, 23842), (455, 19388), (481, 18340), (518, 17030), (524, 16835), (655, 13468), (740, 11921), (910, 9694), (917, 9620), (962, 9170), (1036, 8515), (1295, 6812), (1310, 6734), (1703, 5180), (1820, 4847), (1834, 4810), (1924, 4585), (2405, 3668), (2590, 3406), (2620, 3367)]