22555280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 61228224

約数和(自身を除く): 38672944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 71, 76, 80, 88, 95, 110, 142, 152, 176, 190, 209, 220, 284, 304, 355, 361, 380, 418, 440, 568, 710, 722, 760, 781, 836, 880, 1045, 1136, 1349, 1420, 1444, 1520, 1562, 1672, 1805, 2090, 2698, 2840, 2888, 3124, 3344, 3610, 3905, 3971, 4180, 5396, 5680, 5776, 6248, 6745, 7220, 7810, 7942, 8360, 10792, 12496, 13490, 14440, 14839, 15620, 15884, 16720, 19855, 21584, 25631, 26980, 28880, 29678, 31240, 31768, 39710, 51262, 53960, 59356, 62480, 63536, 74195, 79420, 102524, 107920, 118712, 128155, 148390, 158840, 205048, 237424, 256310, 281941, 296780, 317680, 410096, 512620, 563882, 593560, 1025240, 1127764, 1187120, 1409705, 2050480, 2255528, 2819410, 4511056, 5638820, 11277640, 22555280]

約数ペア:

[(1, 22555280), (2, 11277640), (4, 5638820), (5, 4511056), (8, 2819410), (10, 2255528), (11, 2050480), (16, 1409705), (19, 1187120), (20, 1127764), (22, 1025240), (38, 593560), (40, 563882), (44, 512620), (55, 410096), (71, 317680), (76, 296780), (80, 281941), (88, 256310), (95, 237424), (110, 205048), (142, 158840), (152, 148390), (176, 128155), (190, 118712), (209, 107920), (220, 102524), (284, 79420), (304, 74195), (355, 63536), (361, 62480), (380, 59356), (418, 53960), (440, 51262), (568, 39710), (710, 31768), (722, 31240), (760, 29678), (781, 28880), (836, 26980), (880, 25631), (1045, 21584), (1136, 19855), (1349, 16720), (1420, 15884), (1444, 15620), (1520, 14839), (1562, 14440), (1672, 13490), (1805, 12496), (2090, 10792), (2698, 8360), (2840, 7942), (2888, 7810), (3124, 7220), (3344, 6745), (3610, 6248), (3905, 5776), (3971, 5680), (4180, 5396)]