42745040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1836

約数の個数: 80

約数和(自身を含む): 111742848

約数和(自身を除く): 68997808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1787, 1840, 2392, 2990, 3574, 4784, 5980, 7148, 8935, 11960, 14296, 17870, 23231, 23920, 28592, 35740, 41101, 46462, 71480, 82202, 92924, 116155, 142960, 164404, 185848, 205505, 232310, 328808, 371696, 411010, 464620, 534313, 657616, 822020, 929240, 1068626, 1644040, 1858480, 2137252, 2671565, 3288080, 4274504, 5343130, 8549008, 10686260, 21372520, 42745040]

約数ペア:

[(1, 42745040), (2, 21372520), (4, 10686260), (5, 8549008), (8, 5343130), (10, 4274504), (13, 3288080), (16, 2671565), (20, 2137252), (23, 1858480), (26, 1644040), (40, 1068626), (46, 929240), (52, 822020), (65, 657616), (80, 534313), (92, 464620), (104, 411010), (115, 371696), (130, 328808), (184, 232310), (208, 205505), (230, 185848), (260, 164404), (299, 142960), (368, 116155), (460, 92924), (520, 82202), (598, 71480), (920, 46462), (1040, 41101), (1196, 35740), (1495, 28592), (1787, 23920), (1840, 23231), (2392, 17870), (2990, 14296), (3574, 11960), (4784, 8935), (5980, 7148)]