80158880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 197987328

約数和(自身を除く): 117828448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 80, 86, 122, 160, 172, 191, 215, 244, 305, 344, 382, 430, 488, 610, 688, 764, 860, 955, 976, 1220, 1376, 1528, 1720, 1910, 1952, 2440, 2623, 3056, 3440, 3820, 4880, 5246, 6112, 6880, 7640, 8213, 9760, 10492, 11651, 13115, 15280, 16426, 20984, 23302, 26230, 30560, 32852, 41065, 41968, 46604, 52460, 58255, 65704, 82130, 83936, 93208, 104920, 116510, 131408, 164260, 186416, 209840, 233020, 262816, 328520, 372832, 419680, 466040, 500993, 657040, 932080, 1001986, 1314080, 1864160, 2003972, 2504965, 4007944, 5009930, 8015888, 10019860, 16031776, 20039720, 40079440, 80158880]

約数ペア:

[(1, 80158880), (2, 40079440), (4, 20039720), (5, 16031776), (8, 10019860), (10, 8015888), (16, 5009930), (20, 4007944), (32, 2504965), (40, 2003972), (43, 1864160), (61, 1314080), (80, 1001986), (86, 932080), (122, 657040), (160, 500993), (172, 466040), (191, 419680), (215, 372832), (244, 328520), (305, 262816), (344, 233020), (382, 209840), (430, 186416), (488, 164260), (610, 131408), (688, 116510), (764, 104920), (860, 93208), (955, 83936), (976, 82130), (1220, 65704), (1376, 58255), (1528, 52460), (1720, 46604), (1910, 41968), (1952, 41065), (2440, 32852), (2623, 30560), (3056, 26230), (3440, 23302), (3820, 20984), (4880, 16426), (5246, 15280), (6112, 13115), (6880, 11651), (7640, 10492), (8213, 9760)]