31209920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13933}}^1$

素因数の和:13957

約数の個数: 56

約数和(自身を含む): 84941664

約数和(自身を除く): 53731744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 13933, 27866, 55732, 69665, 97531, 111464, 139330, 195062, 222928, 278660, 390124, 445856, 487655, 557320, 780248, 891712, 975310, 1114640, 1560496, 1950620, 2229280, 3120992, 3901240, 4458560, 6241984, 7802480, 15604960, 31209920]

約数ペア:

[(1, 31209920), (2, 15604960), (4, 7802480), (5, 6241984), (7, 4458560), (8, 3901240), (10, 3120992), (14, 2229280), (16, 1950620), (20, 1560496), (28, 1114640), (32, 975310), (35, 891712), (40, 780248), (56, 557320), (64, 487655), (70, 445856), (80, 390124), (112, 278660), (140, 222928), (160, 195062), (224, 139330), (280, 111464), (320, 97531), (448, 69665), (560, 55732), (1120, 27866), (2240, 13933)]