49359440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 80

約数和(自身を含む): 127658496

約数和(自身を除く): 78299056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1531, 1612, 2015, 2480, 3062, 3224, 4030, 6124, 6448, 7655, 8060, 12248, 15310, 16120, 19903, 24496, 30620, 32240, 39806, 47461, 61240, 79612, 94922, 99515, 122480, 159224, 189844, 199030, 237305, 318448, 379688, 398060, 474610, 616993, 759376, 796120, 949220, 1233986, 1592240, 1898440, 2467972, 3084965, 3796880, 4935944, 6169930, 9871888, 12339860, 24679720, 49359440]

約数ペア:

[(1, 49359440), (2, 24679720), (4, 12339860), (5, 9871888), (8, 6169930), (10, 4935944), (13, 3796880), (16, 3084965), (20, 2467972), (26, 1898440), (31, 1592240), (40, 1233986), (52, 949220), (62, 796120), (65, 759376), (80, 616993), (104, 474610), (124, 398060), (130, 379688), (155, 318448), (208, 237305), (248, 199030), (260, 189844), (310, 159224), (403, 122480), (496, 99515), (520, 94922), (620, 79612), (806, 61240), (1040, 47461), (1240, 39806), (1531, 32240), (1612, 30620), (2015, 24496), (2480, 19903), (3062, 16120), (3224, 15310), (4030, 12248), (6124, 8060), (6448, 7655)]