212308720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204143}}^1$

素因数の和:204169

約数の個数: 40

約数和(自身を含む): 531590976

約数和(自身を除く): 319282256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 204143, 408286, 816572, 1020715, 1633144, 2041430, 2653859, 3266288, 4082860, 5307718, 8165720, 10615436, 13269295, 16331440, 21230872, 26538590, 42461744, 53077180, 106154360, 212308720]

約数ペア:

[(1, 212308720), (2, 106154360), (4, 53077180), (5, 42461744), (8, 26538590), (10, 21230872), (13, 16331440), (16, 13269295), (20, 10615436), (26, 8165720), (40, 5307718), (52, 4082860), (65, 3266288), (80, 2653859), (104, 2041430), (130, 1633144), (208, 1020715), (260, 816572), (520, 408286), (1040, 204143)]