66850940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1153}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 151995648

約数和(自身を除く): 85144708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 1153, 2230, 2306, 2899, 4460, 4612, 5765, 5798, 11530, 11596, 14495, 14989, 23060, 28990, 29978, 57980, 59956, 74945, 149890, 257119, 299780, 514238, 1028476, 1285595, 2571190, 3342547, 5142380, 6685094, 13370188, 16712735, 33425470, 66850940]

約数ペア:

[(1, 66850940), (2, 33425470), (4, 16712735), (5, 13370188), (10, 6685094), (13, 5142380), (20, 3342547), (26, 2571190), (52, 1285595), (65, 1028476), (130, 514238), (223, 299780), (260, 257119), (446, 149890), (892, 74945), (1115, 59956), (1153, 57980), (2230, 29978), (2306, 28990), (2899, 23060), (4460, 14989), (4612, 14495), (5765, 11596), (5798, 11530)]