31632640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1935

約数の個数: 72

約数和(自身を含む): 81641448

約数和(自身を除く): 50008808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 1901, 2080, 3328, 3802, 4160, 7604, 8320, 9505, 15208, 16640, 19010, 24713, 30416, 38020, 49426, 60832, 76040, 98852, 121664, 123565, 152080, 197704, 243328, 247130, 304160, 395408, 486656, 494260, 608320, 790816, 988520, 1216640, 1581632, 1977040, 2433280, 3163264, 3954080, 6326528, 7908160, 15816320, 31632640]

約数ペア:

[(1, 31632640), (2, 15816320), (4, 7908160), (5, 6326528), (8, 3954080), (10, 3163264), (13, 2433280), (16, 1977040), (20, 1581632), (26, 1216640), (32, 988520), (40, 790816), (52, 608320), (64, 494260), (65, 486656), (80, 395408), (104, 304160), (128, 247130), (130, 243328), (160, 197704), (208, 152080), (256, 123565), (260, 121664), (320, 98852), (416, 76040), (520, 60832), (640, 49426), (832, 38020), (1040, 30416), (1280, 24713), (1664, 19010), (1901, 16640), (2080, 15208), (3328, 9505), (3802, 8320), (4160, 7604)]