65531140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3313}}^1$

素因数の和:3388

約数の個数: 48

約数和(自身を含む): 146982528

約数和(自身を除く): 81451388

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3313, 3956, 4945, 6626, 9890, 13252, 16565, 19780, 33130, 66260, 76199, 142459, 152398, 284918, 304796, 380995, 569836, 712295, 761990, 1424590, 1523980, 2849180, 3276557, 6553114, 13106228, 16382785, 32765570, 65531140]

約数ペア:

[(1, 65531140), (2, 32765570), (4, 16382785), (5, 13106228), (10, 6553114), (20, 3276557), (23, 2849180), (43, 1523980), (46, 1424590), (86, 761990), (92, 712295), (115, 569836), (172, 380995), (215, 304796), (230, 284918), (430, 152398), (460, 142459), (860, 76199), (989, 66260), (1978, 33130), (3313, 19780), (3956, 16565), (4945, 13252), (6626, 9890)]