47811940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 115295040

約数和(自身を除く): 67483100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 859, 1012, 1210, 1265, 1718, 2420, 2530, 2783, 3436, 4295, 5060, 5566, 8590, 9449, 11132, 13915, 17180, 18898, 19757, 27830, 37796, 39514, 47245, 55660, 79028, 94490, 98785, 103939, 188980, 197570, 207878, 217327, 395140, 415756, 434654, 519695, 869308, 1039390, 1086635, 2078780, 2173270, 2390597, 4346540, 4781194, 9562388, 11952985, 23905970, 47811940]

約数ペア:

[(1, 47811940), (2, 23905970), (4, 11952985), (5, 9562388), (10, 4781194), (11, 4346540), (20, 2390597), (22, 2173270), (23, 2078780), (44, 1086635), (46, 1039390), (55, 869308), (92, 519695), (110, 434654), (115, 415756), (121, 395140), (220, 217327), (230, 207878), (242, 197570), (253, 188980), (460, 103939), (484, 98785), (506, 94490), (605, 79028), (859, 55660), (1012, 47245), (1210, 39514), (1265, 37796), (1718, 27830), (2420, 19757), (2530, 18898), (2783, 17180), (3436, 13915), (4295, 11132), (5060, 9449), (5566, 8590)]