40041280

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{797}}^1$

素因数の和:971

約数の個数: 56

約数和(自身を含む): 96076008

約数和(自身を除く): 56034728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 797, 1256, 1570, 1594, 2512, 3140, 3188, 3985, 5024, 6280, 6376, 7970, 10048, 12560, 12752, 15940, 25120, 25504, 31880, 50240, 51008, 63760, 125129, 127520, 250258, 255040, 500516, 625645, 1001032, 1251290, 2002064, 2502580, 4004128, 5005160, 8008256, 10010320, 20020640, 40041280]

約数ペア:

[(1, 40041280), (2, 20020640), (4, 10010320), (5, 8008256), (8, 5005160), (10, 4004128), (16, 2502580), (20, 2002064), (32, 1251290), (40, 1001032), (64, 625645), (80, 500516), (157, 255040), (160, 250258), (314, 127520), (320, 125129), (628, 63760), (785, 51008), (797, 50240), (1256, 31880), (1570, 25504), (1594, 25120), (2512, 15940), (3140, 12752), (3188, 12560), (3985, 10048), (5024, 7970), (6280, 6376)]