40597760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 116557056

約数和(自身を除く): 75959296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 197, 224, 230, 256, 280, 320, 322, 368, 394, 448, 460, 560, 640, 644, 736, 788, 805, 896, 920, 985, 1120, 1280, 1288, 1379, 1472, 1576, 1610, 1792, 1840, 1970, 2240, 2576, 2758, 2944, 3152, 3220, 3680, 3940, 4480, 4531, 5152, 5516, 5888, 6304, 6440, 6895, 7360, 7880, 8960, 9062, 10304, 11032, 12608, 12880, 13790, 14720, 15760, 18124, 20608, 22064, 22655, 25216, 25760, 27580, 29440, 31520, 31717, 36248, 41216, 44128, 45310, 50432, 51520, 55160, 63040, 63434, 72496, 88256, 90620, 103040, 110320, 126080, 126868, 144992, 158585, 176512, 181240, 206080, 220640, 252160, 253736, 289984, 317170, 353024, 362480, 441280, 507472, 579968, 634340, 724960, 882560, 1014944, 1159936, 1268680, 1449920, 1765120, 2029888, 2537360, 2899840, 4059776, 5074720, 5799680, 8119552, 10149440, 20298880, 40597760]

約数ペア:

[(1, 40597760), (2, 20298880), (4, 10149440), (5, 8119552), (7, 5799680), (8, 5074720), (10, 4059776), (14, 2899840), (16, 2537360), (20, 2029888), (23, 1765120), (28, 1449920), (32, 1268680), (35, 1159936), (40, 1014944), (46, 882560), (56, 724960), (64, 634340), (70, 579968), (80, 507472), (92, 441280), (112, 362480), (115, 353024), (128, 317170), (140, 289984), (160, 253736), (161, 252160), (184, 220640), (197, 206080), (224, 181240), (230, 176512), (256, 158585), (280, 144992), (320, 126868), (322, 126080), (368, 110320), (394, 103040), (448, 90620), (460, 88256), (560, 72496), (640, 63434), (644, 63040), (736, 55160), (788, 51520), (805, 50432), (896, 45310), (920, 44128), (985, 41216), (1120, 36248), (1280, 31717), (1288, 31520), (1379, 29440), (1472, 27580), (1576, 25760), (1610, 25216), (1792, 22655), (1840, 22064), (1970, 20608), (2240, 18124), (2576, 15760), (2758, 14720), (2944, 13790), (3152, 12880), (3220, 12608), (3680, 11032), (3940, 10304), (4480, 9062), (4531, 8960), (5152, 7880), (5516, 7360), (5888, 6895), (6304, 6440)]