40899280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 106209720

約数和(自身を除く): 65310440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 61, 68, 80, 85, 116, 122, 136, 145, 170, 232, 244, 272, 289, 290, 305, 340, 464, 488, 493, 578, 580, 610, 680, 976, 986, 1037, 1156, 1160, 1220, 1360, 1445, 1769, 1972, 2074, 2312, 2320, 2440, 2465, 2890, 3538, 3944, 4148, 4624, 4880, 4930, 5185, 5780, 7076, 7888, 8296, 8381, 8845, 9860, 10370, 11560, 14152, 16592, 16762, 17629, 17690, 19720, 20740, 23120, 28304, 30073, 33524, 35258, 35380, 39440, 41480, 41905, 60146, 67048, 70516, 70760, 82960, 83810, 88145, 120292, 134096, 141032, 141520, 150365, 167620, 176290, 240584, 282064, 300730, 335240, 352580, 481168, 511241, 601460, 670480, 705160, 1022482, 1202920, 1410320, 2044964, 2405840, 2556205, 4089928, 5112410, 8179856, 10224820, 20449640, 40899280]

約数ペア:

[(1, 40899280), (2, 20449640), (4, 10224820), (5, 8179856), (8, 5112410), (10, 4089928), (16, 2556205), (17, 2405840), (20, 2044964), (29, 1410320), (34, 1202920), (40, 1022482), (58, 705160), (61, 670480), (68, 601460), (80, 511241), (85, 481168), (116, 352580), (122, 335240), (136, 300730), (145, 282064), (170, 240584), (232, 176290), (244, 167620), (272, 150365), (289, 141520), (290, 141032), (305, 134096), (340, 120292), (464, 88145), (488, 83810), (493, 82960), (578, 70760), (580, 70516), (610, 67048), (680, 60146), (976, 41905), (986, 41480), (1037, 39440), (1156, 35380), (1160, 35258), (1220, 33524), (1360, 30073), (1445, 28304), (1769, 23120), (1972, 20740), (2074, 19720), (2312, 17690), (2320, 17629), (2440, 16762), (2465, 16592), (2890, 14152), (3538, 11560), (3944, 10370), (4148, 9860), (4624, 8845), (4880, 8381), (4930, 8296), (5185, 7888), (5780, 7076)]