39280480

素因数分解:

$2^5\times 5^1\times {\mathrm{383}}^1\times {\mathrm{641}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 93187584

約数和(自身を除く): 53907104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 641, 766, 1282, 1532, 1915, 2564, 3064, 3205, 3830, 5128, 6128, 6410, 7660, 10256, 12256, 12820, 15320, 20512, 25640, 30640, 51280, 61280, 102560, 245503, 491006, 982012, 1227515, 1964024, 2455030, 3928048, 4910060, 7856096, 9820120, 19640240, 39280480]

約数ペア:

[(1, 39280480), (2, 19640240), (4, 9820120), (5, 7856096), (8, 4910060), (10, 3928048), (16, 2455030), (20, 1964024), (32, 1227515), (40, 982012), (80, 491006), (160, 245503), (383, 102560), (641, 61280), (766, 51280), (1282, 30640), (1532, 25640), (1915, 20512), (2564, 15320), (3064, 12820), (3205, 12256), (3830, 10256), (5128, 7660), (6128, 6410)]