1279236880

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{16267}}^1$

素因数の和:17263

約数の個数: 40

約数和(自身を含む): 2977434432

約数和(自身を除く): 1698197552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1966, 3932, 4915, 7864, 9830, 15728, 16267, 19660, 32534, 39320, 65068, 78640, 81335, 130136, 162670, 260272, 325340, 650680, 1301360, 15990461, 31980922, 63961844, 79952305, 127923688, 159904610, 255847376, 319809220, 639618440, 1279236880]

約数ペア:

[(1, 1279236880), (2, 639618440), (4, 319809220), (5, 255847376), (8, 159904610), (10, 127923688), (16, 79952305), (20, 63961844), (40, 31980922), (80, 15990461), (983, 1301360), (1966, 650680), (3932, 325340), (4915, 260272), (7864, 162670), (9830, 130136), (15728, 81335), (16267, 78640), (19660, 65068), (32534, 39320)]