42066820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 95259528

約数和(自身を除く): 53192708

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 61, 82, 116, 122, 145, 164, 205, 244, 290, 305, 410, 580, 610, 820, 841, 1189, 1220, 1682, 1769, 2378, 2501, 3364, 3538, 4205, 4756, 5002, 5945, 7076, 8410, 8845, 10004, 11890, 12505, 16820, 17690, 23780, 25010, 34481, 35380, 50020, 51301, 68962, 72529, 102602, 137924, 145058, 172405, 205204, 256505, 290116, 344810, 362645, 513010, 689620, 725290, 1026020, 1450580, 2103341, 4206682, 8413364, 10516705, 21033410, 42066820]

約数ペア:

[(1, 42066820), (2, 21033410), (4, 10516705), (5, 8413364), (10, 4206682), (20, 2103341), (29, 1450580), (41, 1026020), (58, 725290), (61, 689620), (82, 513010), (116, 362645), (122, 344810), (145, 290116), (164, 256505), (205, 205204), (244, 172405), (290, 145058), (305, 137924), (410, 102602), (580, 72529), (610, 68962), (820, 51301), (841, 50020), (1189, 35380), (1220, 34481), (1682, 25010), (1769, 23780), (2378, 17690), (2501, 16820), (3364, 12505), (3538, 11890), (4205, 10004), (4756, 8845), (5002, 8410), (5945, 7076)]