155156720

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1973}}^1$

素因数の和:2969

約数の個数: 40

約数和(自身を含む): 361289376

約数和(自身を除く): 206132656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1966, 1973, 3932, 3946, 4915, 7864, 7892, 9830, 9865, 15728, 15784, 19660, 19730, 31568, 39320, 39460, 78640, 78920, 157840, 1939459, 3878918, 7757836, 9697295, 15515672, 19394590, 31031344, 38789180, 77578360, 155156720]

約数ペア:

[(1, 155156720), (2, 77578360), (4, 38789180), (5, 31031344), (8, 19394590), (10, 15515672), (16, 9697295), (20, 7757836), (40, 3878918), (80, 1939459), (983, 157840), (1966, 78920), (1973, 78640), (3932, 39460), (3946, 39320), (4915, 31568), (7864, 19730), (7892, 19660), (9830, 15784), (9865, 15728)]