28479020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 61998048

約数和(自身を除く): 33519028

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 401, 530, 670, 802, 1060, 1340, 1604, 2005, 3551, 4010, 7102, 8020, 14204, 17755, 21253, 26867, 35510, 42506, 53734, 71020, 85012, 106265, 107468, 134335, 212530, 268670, 425060, 537340, 1423951, 2847902, 5695804, 7119755, 14239510, 28479020]

約数ペア:

[(1, 28479020), (2, 14239510), (4, 7119755), (5, 5695804), (10, 2847902), (20, 1423951), (53, 537340), (67, 425060), (106, 268670), (134, 212530), (212, 134335), (265, 107468), (268, 106265), (335, 85012), (401, 71020), (530, 53734), (670, 42506), (802, 35510), (1060, 26867), (1340, 21253), (1604, 17755), (2005, 14204), (3551, 8020), (4010, 7102)]