81524320

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 202704768

約数和(自身を除く): 121180448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 47, 74, 80, 94, 148, 160, 185, 188, 235, 293, 296, 370, 376, 470, 586, 592, 740, 752, 940, 1172, 1184, 1465, 1480, 1504, 1739, 1880, 2344, 2930, 2960, 3478, 3760, 4688, 5860, 5920, 6956, 7520, 8695, 9376, 10841, 11720, 13771, 13912, 17390, 21682, 23440, 27542, 27824, 34780, 43364, 46880, 54205, 55084, 55648, 68855, 69560, 86728, 108410, 110168, 137710, 139120, 173456, 216820, 220336, 275420, 278240, 346912, 433640, 440672, 509527, 550840, 867280, 1019054, 1101680, 1734560, 2038108, 2203360, 2547635, 4076216, 5095270, 8152432, 10190540, 16304864, 20381080, 40762160, 81524320]

約数ペア:

[(1, 81524320), (2, 40762160), (4, 20381080), (5, 16304864), (8, 10190540), (10, 8152432), (16, 5095270), (20, 4076216), (32, 2547635), (37, 2203360), (40, 2038108), (47, 1734560), (74, 1101680), (80, 1019054), (94, 867280), (148, 550840), (160, 509527), (185, 440672), (188, 433640), (235, 346912), (293, 278240), (296, 275420), (370, 220336), (376, 216820), (470, 173456), (586, 139120), (592, 137710), (740, 110168), (752, 108410), (940, 86728), (1172, 69560), (1184, 68855), (1465, 55648), (1480, 55084), (1504, 54205), (1739, 46880), (1880, 43364), (2344, 34780), (2930, 27824), (2960, 27542), (3478, 23440), (3760, 21682), (4688, 17390), (5860, 13912), (5920, 13771), (6956, 11720), (7520, 10841), (8695, 9376)]