40650584

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 83601720

約数和(自身を除く): 42951136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 169, 214, 281, 338, 428, 562, 676, 856, 1124, 1352, 1391, 2248, 2782, 3653, 5564, 7306, 11128, 14612, 18083, 29224, 30067, 36166, 47489, 60134, 72332, 94978, 120268, 144664, 189956, 240536, 379912, 390871, 781742, 1563484, 3126968, 5081323, 10162646, 20325292, 40650584]

約数ペア:

[(1, 40650584), (2, 20325292), (4, 10162646), (8, 5081323), (13, 3126968), (26, 1563484), (52, 781742), (104, 390871), (107, 379912), (169, 240536), (214, 189956), (281, 144664), (338, 120268), (428, 94978), (562, 72332), (676, 60134), (856, 47489), (1124, 36166), (1352, 30067), (1391, 29224), (2248, 18083), (2782, 14612), (3653, 11128), (5564, 7306)]