20234079440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{8233}}^1$

素因数の和:9268

約数の個数: 80

約数和(自身を含む): 48616697856

約数和(自身を除く): 28382618416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 991, 1240, 1982, 2480, 3964, 4955, 7928, 8233, 9910, 15856, 16466, 19820, 30721, 32932, 39640, 41165, 61442, 65864, 79280, 82330, 122884, 131728, 153605, 164660, 245768, 255223, 307210, 329320, 491536, 510446, 614420, 658640, 1020892, 1228840, 1276115, 2041784, 2457680, 2552230, 4083568, 5104460, 8158903, 10208920, 16317806, 20417840, 32635612, 40794515, 65271224, 81589030, 130542448, 163178060, 252925993, 326356120, 505851986, 652712240, 1011703972, 1264629965, 2023407944, 2529259930, 4046815888, 5058519860, 10117039720, 20234079440]

約数ペア:

[(1, 20234079440), (2, 10117039720), (4, 5058519860), (5, 4046815888), (8, 2529259930), (10, 2023407944), (16, 1264629965), (20, 1011703972), (31, 652712240), (40, 505851986), (62, 326356120), (80, 252925993), (124, 163178060), (155, 130542448), (248, 81589030), (310, 65271224), (496, 40794515), (620, 32635612), (991, 20417840), (1240, 16317806), (1982, 10208920), (2480, 8158903), (3964, 5104460), (4955, 4083568), (7928, 2552230), (8233, 2457680), (9910, 2041784), (15856, 1276115), (16466, 1228840), (19820, 1020892), (30721, 658640), (32932, 614420), (39640, 510446), (41165, 491536), (61442, 329320), (65864, 307210), (79280, 255223), (82330, 245768), (122884, 164660), (131728, 153605)]