131296160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 324559872

約数和(自身を除く): 193263712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 103, 124, 155, 160, 206, 248, 257, 310, 412, 496, 514, 515, 620, 824, 992, 1028, 1030, 1240, 1285, 1648, 2056, 2060, 2480, 2570, 3193, 3296, 4112, 4120, 4960, 5140, 6386, 7967, 8224, 8240, 10280, 12772, 15934, 15965, 16480, 20560, 25544, 26471, 31868, 31930, 39835, 41120, 51088, 52942, 63736, 63860, 79670, 102176, 105884, 127472, 127720, 132355, 159340, 211768, 254944, 255440, 264710, 318680, 423536, 510880, 529420, 637360, 820601, 847072, 1058840, 1274720, 1641202, 2117680, 3282404, 4103005, 4235360, 6564808, 8206010, 13129616, 16412020, 26259232, 32824040, 65648080, 131296160]

約数ペア:

[(1, 131296160), (2, 65648080), (4, 32824040), (5, 26259232), (8, 16412020), (10, 13129616), (16, 8206010), (20, 6564808), (31, 4235360), (32, 4103005), (40, 3282404), (62, 2117680), (80, 1641202), (103, 1274720), (124, 1058840), (155, 847072), (160, 820601), (206, 637360), (248, 529420), (257, 510880), (310, 423536), (412, 318680), (496, 264710), (514, 255440), (515, 254944), (620, 211768), (824, 159340), (992, 132355), (1028, 127720), (1030, 127472), (1240, 105884), (1285, 102176), (1648, 79670), (2056, 63860), (2060, 63736), (2480, 52942), (2570, 51088), (3193, 41120), (3296, 39835), (4112, 31930), (4120, 31868), (4960, 26471), (5140, 25544), (6386, 20560), (7967, 16480), (8224, 15965), (8240, 15934), (10280, 12772)]