80395120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3410

約数の個数: 80

約数和(自身を含む): 210111552

約数和(自身を除く): 129716432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 3361, 4784, 5980, 6722, 11960, 13444, 16805, 23920, 26888, 33610, 43693, 53776, 67220, 77303, 87386, 134440, 154606, 174772, 218465, 268880, 309212, 349544, 386515, 436930, 618424, 699088, 773030, 873860, 1004939, 1236848, 1546060, 1747720, 2009878, 3092120, 3495440, 4019756, 5024695, 6184240, 8039512, 10049390, 16079024, 20098780, 40197560, 80395120]

約数ペア:

[(1, 80395120), (2, 40197560), (4, 20098780), (5, 16079024), (8, 10049390), (10, 8039512), (13, 6184240), (16, 5024695), (20, 4019756), (23, 3495440), (26, 3092120), (40, 2009878), (46, 1747720), (52, 1546060), (65, 1236848), (80, 1004939), (92, 873860), (104, 773030), (115, 699088), (130, 618424), (184, 436930), (208, 386515), (230, 349544), (260, 309212), (299, 268880), (368, 218465), (460, 174772), (520, 154606), (598, 134440), (920, 87386), (1040, 77303), (1196, 67220), (1495, 53776), (1840, 43693), (2392, 33610), (2990, 26888), (3361, 23920), (4784, 16805), (5980, 13444), (6722, 11960)]