27927980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 61871040

約数和(自身を除く): 33943060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 557, 1090, 1114, 2180, 2228, 2507, 2785, 5014, 5570, 10028, 11140, 12535, 12811, 25070, 25622, 50140, 51244, 60713, 64055, 121426, 128110, 242852, 256220, 303565, 607130, 1214260, 1396399, 2792798, 5585596, 6981995, 13963990, 27927980]

約数ペア:

[(1, 27927980), (2, 13963990), (4, 6981995), (5, 5585596), (10, 2792798), (20, 1396399), (23, 1214260), (46, 607130), (92, 303565), (109, 256220), (115, 242852), (218, 128110), (230, 121426), (436, 64055), (460, 60713), (545, 51244), (557, 50140), (1090, 25622), (1114, 25070), (2180, 12811), (2228, 12535), (2507, 11140), (2785, 10028), (5014, 5570)]