51384760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 141004800

約数和(自身を除く): 89620040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 79, 92, 101, 115, 140, 158, 161, 184, 202, 230, 280, 316, 322, 395, 404, 460, 505, 553, 632, 644, 707, 790, 805, 808, 920, 1010, 1106, 1288, 1414, 1580, 1610, 1817, 2020, 2212, 2323, 2765, 2828, 3160, 3220, 3535, 3634, 4040, 4424, 4646, 5530, 5656, 6440, 7070, 7268, 7979, 9085, 9292, 11060, 11615, 12719, 14140, 14536, 15958, 16261, 18170, 18584, 22120, 23230, 25438, 28280, 31916, 32522, 36340, 39895, 46460, 50876, 55853, 63595, 63832, 65044, 72680, 79790, 81305, 92920, 101752, 111706, 127190, 130088, 159580, 162610, 183517, 223412, 254380, 279265, 319160, 325220, 367034, 446824, 508760, 558530, 650440, 734068, 917585, 1117060, 1284619, 1468136, 1835170, 2234120, 2569238, 3670340, 5138476, 6423095, 7340680, 10276952, 12846190, 25692380, 51384760]

約数ペア:

[(1, 51384760), (2, 25692380), (4, 12846190), (5, 10276952), (7, 7340680), (8, 6423095), (10, 5138476), (14, 3670340), (20, 2569238), (23, 2234120), (28, 1835170), (35, 1468136), (40, 1284619), (46, 1117060), (56, 917585), (70, 734068), (79, 650440), (92, 558530), (101, 508760), (115, 446824), (140, 367034), (158, 325220), (161, 319160), (184, 279265), (202, 254380), (230, 223412), (280, 183517), (316, 162610), (322, 159580), (395, 130088), (404, 127190), (460, 111706), (505, 101752), (553, 92920), (632, 81305), (644, 79790), (707, 72680), (790, 65044), (805, 63832), (808, 63595), (920, 55853), (1010, 50876), (1106, 46460), (1288, 39895), (1414, 36340), (1580, 32522), (1610, 31916), (1817, 28280), (2020, 25438), (2212, 23230), (2323, 22120), (2765, 18584), (2828, 18170), (3160, 16261), (3220, 15958), (3535, 14536), (3634, 14140), (4040, 12719), (4424, 11615), (4646, 11060), (5530, 9292), (5656, 9085), (6440, 7979), (7070, 7268)]