12345580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 28252224

約数和(自身を除く): 15906644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 461, 515, 922, 1030, 1339, 1844, 2060, 2305, 2678, 4610, 5356, 5993, 6695, 9220, 11986, 13390, 23972, 26780, 29965, 47483, 59930, 94966, 119860, 189932, 237415, 474830, 617279, 949660, 1234558, 2469116, 3086395, 6172790, 12345580]

約数ペア:

[(1, 12345580), (2, 6172790), (4, 3086395), (5, 2469116), (10, 1234558), (13, 949660), (20, 617279), (26, 474830), (52, 237415), (65, 189932), (103, 119860), (130, 94966), (206, 59930), (260, 47483), (412, 29965), (461, 26780), (515, 23972), (922, 13390), (1030, 11986), (1339, 9220), (1844, 6695), (2060, 5993), (2305, 5356), (2678, 4610)]