42151720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 103259520

約数和(自身を除く): 61107800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 787, 824, 1030, 1339, 1574, 2060, 2678, 3148, 3935, 4120, 5356, 6296, 6695, 7870, 10231, 10712, 13390, 15740, 20462, 26780, 31480, 40924, 51155, 53560, 81061, 81848, 102310, 162122, 204620, 324244, 405305, 409240, 648488, 810610, 1053793, 1621220, 2107586, 3242440, 4215172, 5268965, 8430344, 10537930, 21075860, 42151720]

約数ペア:

[(1, 42151720), (2, 21075860), (4, 10537930), (5, 8430344), (8, 5268965), (10, 4215172), (13, 3242440), (20, 2107586), (26, 1621220), (40, 1053793), (52, 810610), (65, 648488), (103, 409240), (104, 405305), (130, 324244), (206, 204620), (260, 162122), (412, 102310), (515, 81848), (520, 81061), (787, 53560), (824, 51155), (1030, 40924), (1339, 31480), (1574, 26780), (2060, 20462), (2678, 15740), (3148, 13390), (3935, 10712), (4120, 10231), (5356, 7870), (6296, 6695)]