2518179640

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1\times {\mathrm{787}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 5718988800

約数和(自身を除く): 3200809160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 479, 668, 787, 835, 958, 1336, 1574, 1670, 1916, 2395, 3148, 3340, 3832, 3935, 4790, 6296, 6680, 7870, 9580, 15740, 19160, 31480, 79993, 131429, 159986, 262858, 319972, 376973, 399965, 525716, 639944, 657145, 753946, 799930, 1051432, 1314290, 1507892, 1599860, 1884865, 2628580, 3015784, 3199720, 3769730, 5257160, 7539460, 15078920, 62954491, 125908982, 251817964, 314772455, 503635928, 629544910, 1259089820, 2518179640]

約数ペア:

[(1, 2518179640), (2, 1259089820), (4, 629544910), (5, 503635928), (8, 314772455), (10, 251817964), (20, 125908982), (40, 62954491), (167, 15078920), (334, 7539460), (479, 5257160), (668, 3769730), (787, 3199720), (835, 3015784), (958, 2628580), (1336, 1884865), (1574, 1599860), (1670, 1507892), (1916, 1314290), (2395, 1051432), (3148, 799930), (3340, 753946), (3832, 657145), (3935, 639944), (4790, 525716), (6296, 399965), (6680, 376973), (7870, 319972), (9580, 262858), (15740, 159986), (19160, 131429), (31480, 79993)]