80504140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 189987840

約数和(自身を除く): 109483700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 61, 76, 92, 95, 115, 122, 151, 190, 230, 244, 302, 305, 380, 437, 460, 604, 610, 755, 874, 1159, 1220, 1403, 1510, 1748, 2185, 2318, 2806, 2869, 3020, 3473, 4370, 4636, 5612, 5738, 5795, 6946, 7015, 8740, 9211, 11476, 11590, 13892, 14030, 14345, 17365, 18422, 23180, 26657, 28060, 28690, 34730, 36844, 46055, 53314, 57380, 65987, 69460, 92110, 106628, 131974, 133285, 175009, 184220, 211853, 263948, 266570, 329935, 350018, 423706, 533140, 659870, 700036, 847412, 875045, 1059265, 1319740, 1750090, 2118530, 3500180, 4025207, 4237060, 8050414, 16100828, 20126035, 40252070, 80504140]

約数ペア:

[(1, 80504140), (2, 40252070), (4, 20126035), (5, 16100828), (10, 8050414), (19, 4237060), (20, 4025207), (23, 3500180), (38, 2118530), (46, 1750090), (61, 1319740), (76, 1059265), (92, 875045), (95, 847412), (115, 700036), (122, 659870), (151, 533140), (190, 423706), (230, 350018), (244, 329935), (302, 266570), (305, 263948), (380, 211853), (437, 184220), (460, 175009), (604, 133285), (610, 131974), (755, 106628), (874, 92110), (1159, 69460), (1220, 65987), (1403, 57380), (1510, 53314), (1748, 46055), (2185, 36844), (2318, 34730), (2806, 28690), (2869, 28060), (3020, 26657), (3473, 23180), (4370, 18422), (4636, 17365), (5612, 14345), (5738, 14030), (5795, 13892), (6946, 11590), (7015, 11476), (8740, 9211)]