16015780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 37566144

約数和(自身を除く): 21550364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1693, 1892, 2365, 3386, 4730, 6772, 8465, 9460, 16930, 18623, 33860, 37246, 72799, 74492, 93115, 145598, 186230, 291196, 363995, 372460, 727990, 800789, 1455980, 1601578, 3203156, 4003945, 8007890, 16015780]

約数ペア:

[(1, 16015780), (2, 8007890), (4, 4003945), (5, 3203156), (10, 1601578), (11, 1455980), (20, 800789), (22, 727990), (43, 372460), (44, 363995), (55, 291196), (86, 186230), (110, 145598), (172, 93115), (215, 74492), (220, 72799), (430, 37246), (473, 33860), (860, 18623), (946, 16930), (1693, 9460), (1892, 8465), (2365, 6772), (3386, 4730)]