1953559120

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 4591670400

約数和(自身を除く): 2638111280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 277, 398, 443, 554, 796, 886, 995, 1108, 1385, 1592, 1772, 1990, 2215, 2216, 2770, 3184, 3544, 3980, 4430, 4432, 5540, 7088, 7960, 8860, 11080, 15920, 17720, 22160, 35440, 55123, 88157, 110246, 122711, 176314, 220492, 245422, 275615, 352628, 440785, 440984, 490844, 551230, 613555, 705256, 881570, 881968, 981688, 1102460, 1227110, 1410512, 1763140, 1963376, 2204920, 2454220, 3526280, 4409840, 4908440, 7052560, 9816880, 24419489, 48838978, 97677956, 122097445, 195355912, 244194890, 390711824, 488389780, 976779560, 1953559120]

約数ペア:

[(1, 1953559120), (2, 976779560), (4, 488389780), (5, 390711824), (8, 244194890), (10, 195355912), (16, 122097445), (20, 97677956), (40, 48838978), (80, 24419489), (199, 9816880), (277, 7052560), (398, 4908440), (443, 4409840), (554, 3526280), (796, 2454220), (886, 2204920), (995, 1963376), (1108, 1763140), (1385, 1410512), (1592, 1227110), (1772, 1102460), (1990, 981688), (2215, 881968), (2216, 881570), (2770, 705256), (3184, 613555), (3544, 551230), (3980, 490844), (4430, 440984), (4432, 440785), (5540, 352628), (7088, 275615), (7960, 245422), (8860, 220492), (11080, 176314), (15920, 122711), (17720, 110246), (22160, 88157), (35440, 55123)]