28551280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 42158480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 59, 80, 92, 115, 118, 184, 230, 236, 263, 295, 368, 460, 472, 526, 590, 920, 944, 1052, 1180, 1315, 1357, 1840, 2104, 2360, 2630, 2714, 4208, 4720, 5260, 5428, 6049, 6785, 10520, 10856, 12098, 13570, 15517, 21040, 21712, 24196, 27140, 30245, 31034, 48392, 54280, 60490, 62068, 77585, 96784, 108560, 120980, 124136, 155170, 241960, 248272, 310340, 356891, 483920, 620680, 713782, 1241360, 1427564, 1784455, 2855128, 3568910, 5710256, 7137820, 14275640, 28551280]

約数ペア:

[(1, 28551280), (2, 14275640), (4, 7137820), (5, 5710256), (8, 3568910), (10, 2855128), (16, 1784455), (20, 1427564), (23, 1241360), (40, 713782), (46, 620680), (59, 483920), (80, 356891), (92, 310340), (115, 248272), (118, 241960), (184, 155170), (230, 124136), (236, 120980), (263, 108560), (295, 96784), (368, 77585), (460, 62068), (472, 60490), (526, 54280), (590, 48392), (920, 31034), (944, 30245), (1052, 27140), (1180, 24196), (1315, 21712), (1357, 21040), (1840, 15517), (2104, 13570), (2360, 12098), (2630, 10856), (2714, 10520), (4208, 6785), (4720, 6049), (5260, 5428)]