12963440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3307}}^1$

素因数の和:3334

約数の個数: 60

約数和(自身を含む): 35071416

約数和(自身を除く): 22107976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3307, 3920, 6614, 13228, 16535, 23149, 26456, 33070, 46298, 52912, 66140, 92596, 115745, 132280, 162043, 185192, 231490, 264560, 324086, 370384, 462980, 648172, 810215, 925960, 1296344, 1620430, 1851920, 2592688, 3240860, 6481720, 12963440]

約数ペア:

[(1, 12963440), (2, 6481720), (4, 3240860), (5, 2592688), (7, 1851920), (8, 1620430), (10, 1296344), (14, 925960), (16, 810215), (20, 648172), (28, 462980), (35, 370384), (40, 324086), (49, 264560), (56, 231490), (70, 185192), (80, 162043), (98, 132280), (112, 115745), (140, 92596), (196, 66140), (245, 52912), (280, 46298), (392, 33070), (490, 26456), (560, 23149), (784, 16535), (980, 13228), (1960, 6614), (3307, 3920)]