64119860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19913}}^1$

素因数の和:19952

約数の個数: 48

約数和(自身を含む): 160586496

約数和(自身を除く): 96466636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 19913, 39826, 79652, 99565, 139391, 199130, 278782, 398260, 457999, 557564, 696955, 915998, 1393910, 1831996, 2289995, 2787820, 3205993, 4579990, 6411986, 9159980, 12823972, 16029965, 32059930, 64119860]

約数ペア:

[(1, 64119860), (2, 32059930), (4, 16029965), (5, 12823972), (7, 9159980), (10, 6411986), (14, 4579990), (20, 3205993), (23, 2787820), (28, 2289995), (35, 1831996), (46, 1393910), (70, 915998), (92, 696955), (115, 557564), (140, 457999), (161, 398260), (230, 278782), (322, 199130), (460, 139391), (644, 99565), (805, 79652), (1610, 39826), (3220, 19913)]