69626440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 169691760

約数和(自身を除く): 100065320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 521, 1028, 1042, 1285, 2056, 2084, 2570, 2605, 3341, 4168, 5140, 5210, 6682, 6773, 10280, 10420, 13364, 13546, 16705, 20840, 26728, 27092, 33410, 33865, 54184, 66820, 67730, 133640, 133897, 135460, 267794, 270920, 535588, 669485, 1071176, 1338970, 1740661, 2677940, 3481322, 5355880, 6962644, 8703305, 13925288, 17406610, 34813220, 69626440]

約数ペア:

[(1, 69626440), (2, 34813220), (4, 17406610), (5, 13925288), (8, 8703305), (10, 6962644), (13, 5355880), (20, 3481322), (26, 2677940), (40, 1740661), (52, 1338970), (65, 1071176), (104, 669485), (130, 535588), (257, 270920), (260, 267794), (514, 135460), (520, 133897), (521, 133640), (1028, 67730), (1042, 66820), (1285, 54184), (2056, 33865), (2084, 33410), (2570, 27092), (2605, 26728), (3341, 20840), (4168, 16705), (5140, 13546), (5210, 13364), (6682, 10420), (6773, 10280)]