17895562840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{37561}}^1$

素因数の和:37892

約数の個数: 64

約数和(自身を含む): 41351254560

約数和(自身を除く): 23455691720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 277, 344, 430, 554, 860, 1108, 1385, 1720, 2216, 2770, 5540, 11080, 11911, 23822, 37561, 47644, 59555, 75122, 95288, 119110, 150244, 187805, 238220, 300488, 375610, 476440, 751220, 1502440, 1615123, 3230246, 6460492, 8075615, 10404397, 12920984, 16151230, 20808794, 32302460, 41617588, 52021985, 64604920, 83235176, 104043970, 208087940, 416175880, 447389071, 894778142, 1789556284, 2236945355, 3579112568, 4473890710, 8947781420, 17895562840]

約数ペア:

[(1, 17895562840), (2, 8947781420), (4, 4473890710), (5, 3579112568), (8, 2236945355), (10, 1789556284), (20, 894778142), (40, 447389071), (43, 416175880), (86, 208087940), (172, 104043970), (215, 83235176), (277, 64604920), (344, 52021985), (430, 41617588), (554, 32302460), (860, 20808794), (1108, 16151230), (1385, 12920984), (1720, 10404397), (2216, 8075615), (2770, 6460492), (5540, 3230246), (11080, 1615123), (11911, 1502440), (23822, 751220), (37561, 476440), (47644, 375610), (59555, 300488), (75122, 238220), (95288, 187805), (119110, 150244)]