79578640

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1607}}^1$

素因数の和:2239

約数の個数: 40

約数和(自身を含む): 185434560

約数和(自身を除く): 105855920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 1607, 2476, 3095, 3214, 4952, 6190, 6428, 8035, 9904, 12380, 12856, 16070, 24760, 25712, 32140, 49520, 64280, 128560, 994733, 1989466, 3978932, 4973665, 7957864, 9947330, 15915728, 19894660, 39789320, 79578640]

約数ペア:

[(1, 79578640), (2, 39789320), (4, 19894660), (5, 15915728), (8, 9947330), (10, 7957864), (16, 4973665), (20, 3978932), (40, 1989466), (80, 994733), (619, 128560), (1238, 64280), (1607, 49520), (2476, 32140), (3095, 25712), (3214, 24760), (4952, 16070), (6190, 12856), (6428, 12380), (8035, 9904)]