28543760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50971}}^1$

素因数の和:50991

約数の個数: 40

約数和(自身を含む): 75846336

約数和(自身を除く): 47302576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50971, 101942, 203884, 254855, 356797, 407768, 509710, 713594, 815536, 1019420, 1427188, 1783985, 2038840, 2854376, 3567970, 4077680, 5708752, 7135940, 14271880, 28543760]

約数ペア:

[(1, 28543760), (2, 14271880), (4, 7135940), (5, 5708752), (7, 4077680), (8, 3567970), (10, 2854376), (14, 2038840), (16, 1783985), (20, 1427188), (28, 1019420), (35, 815536), (40, 713594), (56, 509710), (70, 407768), (80, 356797), (112, 254855), (140, 203884), (280, 101942), (560, 50971)]