40622960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 112890096

約数和(自身を除く): 72267136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 241, 245, 280, 301, 344, 392, 430, 482, 490, 560, 602, 688, 784, 860, 964, 980, 1204, 1205, 1505, 1687, 1720, 1928, 1960, 2107, 2408, 2410, 3010, 3374, 3440, 3856, 3920, 4214, 4816, 4820, 6020, 6748, 8428, 8435, 9640, 10363, 10535, 11809, 12040, 13496, 16856, 16870, 19280, 20726, 21070, 23618, 24080, 26992, 33712, 33740, 41452, 42140, 47236, 51815, 59045, 67480, 72541, 82904, 84280, 94472, 103630, 118090, 134960, 145082, 165808, 168560, 188944, 207260, 236180, 290164, 362705, 414520, 472360, 507787, 580328, 725410, 829040, 944720, 1015574, 1160656, 1450820, 2031148, 2538935, 2901640, 4062296, 5077870, 5803280, 8124592, 10155740, 20311480, 40622960]

約数ペア:

[(1, 40622960), (2, 20311480), (4, 10155740), (5, 8124592), (7, 5803280), (8, 5077870), (10, 4062296), (14, 2901640), (16, 2538935), (20, 2031148), (28, 1450820), (35, 1160656), (40, 1015574), (43, 944720), (49, 829040), (56, 725410), (70, 580328), (80, 507787), (86, 472360), (98, 414520), (112, 362705), (140, 290164), (172, 236180), (196, 207260), (215, 188944), (241, 168560), (245, 165808), (280, 145082), (301, 134960), (344, 118090), (392, 103630), (430, 94472), (482, 84280), (490, 82904), (560, 72541), (602, 67480), (688, 59045), (784, 51815), (860, 47236), (964, 42140), (980, 41452), (1204, 33740), (1205, 33712), (1505, 26992), (1687, 24080), (1720, 23618), (1928, 21070), (1960, 20726), (2107, 19280), (2408, 16870), (2410, 16856), (3010, 13496), (3374, 12040), (3440, 11809), (3856, 10535), (3920, 10363), (4214, 9640), (4816, 8435), (4820, 8428), (6020, 6748)]