40297040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 107885952

約数和(自身を除く): 67588912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 317, 454, 560, 634, 908, 1135, 1268, 1585, 1589, 1816, 2219, 2270, 2536, 3170, 3178, 3632, 4438, 4540, 5072, 6340, 6356, 7945, 8876, 9080, 11095, 12680, 12712, 15890, 17752, 18160, 22190, 25360, 25424, 31780, 35504, 44380, 63560, 71959, 88760, 127120, 143918, 177520, 287836, 359795, 503713, 575672, 719590, 1007426, 1151344, 1439180, 2014852, 2518565, 2878360, 4029704, 5037130, 5756720, 8059408, 10074260, 20148520, 40297040]

約数ペア:

[(1, 40297040), (2, 20148520), (4, 10074260), (5, 8059408), (7, 5756720), (8, 5037130), (10, 4029704), (14, 2878360), (16, 2518565), (20, 2014852), (28, 1439180), (35, 1151344), (40, 1007426), (56, 719590), (70, 575672), (80, 503713), (112, 359795), (140, 287836), (227, 177520), (280, 143918), (317, 127120), (454, 88760), (560, 71959), (634, 63560), (908, 44380), (1135, 35504), (1268, 31780), (1585, 25424), (1589, 25360), (1816, 22190), (2219, 18160), (2270, 17752), (2536, 15890), (3170, 12712), (3178, 12680), (3632, 11095), (4438, 9080), (4540, 8876), (5072, 7945), (6340, 6356)]