63709720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22433}}^1$

素因数の和:22515

約数の個数: 32

約数和(自身を含む): 145372320

約数和(自身を除く): 81662600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 22433, 44866, 89732, 112165, 179464, 224330, 448660, 897320, 1592743, 3185486, 6370972, 7963715, 12741944, 15927430, 31854860, 63709720]

約数ペア:

[(1, 63709720), (2, 31854860), (4, 15927430), (5, 12741944), (8, 7963715), (10, 6370972), (20, 3185486), (40, 1592743), (71, 897320), (142, 448660), (284, 224330), (355, 179464), (568, 112165), (710, 89732), (1420, 44866), (2840, 22433)]