65648080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 159704064

約数和(自身を除く): 94055984

約数列:

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

約数ペア:

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