6464120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 16208640

約数和(自身を除く): 9744520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 401, 403, 520, 620, 802, 806, 1240, 1604, 1612, 2005, 2015, 3208, 3224, 4010, 4030, 5213, 8020, 8060, 10426, 12431, 16040, 16120, 20852, 24862, 26065, 41704, 49724, 52130, 62155, 99448, 104260, 124310, 161603, 208520, 248620, 323206, 497240, 646412, 808015, 1292824, 1616030, 3232060, 6464120]

約数ペア:

[(1, 6464120), (2, 3232060), (4, 1616030), (5, 1292824), (8, 808015), (10, 646412), (13, 497240), (20, 323206), (26, 248620), (31, 208520), (40, 161603), (52, 124310), (62, 104260), (65, 99448), (104, 62155), (124, 52130), (130, 49724), (155, 41704), (248, 26065), (260, 24862), (310, 20852), (401, 16120), (403, 16040), (520, 12431), (620, 10426), (802, 8060), (806, 8020), (1240, 5213), (1604, 4030), (1612, 4010), (2005, 3224), (2015, 3208)]