47279920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7481}}^1$

素因数の和:7573

約数の個数: 40

約数和(自身を含む): 111332160

約数和(自身を除く): 64052240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 7481, 14962, 29924, 37405, 59848, 74810, 119696, 149620, 299240, 590999, 598480, 1181998, 2363996, 2954995, 4727992, 5909990, 9455984, 11819980, 23639960, 47279920]

約数ペア:

[(1, 47279920), (2, 23639960), (4, 11819980), (5, 9455984), (8, 5909990), (10, 4727992), (16, 2954995), (20, 2363996), (40, 1181998), (79, 598480), (80, 590999), (158, 299240), (316, 149620), (395, 119696), (632, 74810), (790, 59848), (1264, 37405), (1580, 29924), (3160, 14962), (6320, 7481)]