12542860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 29762208

約数和(自身を除く): 17219348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 73, 110, 121, 142, 146, 220, 242, 284, 292, 355, 365, 484, 605, 710, 730, 781, 803, 1210, 1420, 1460, 1562, 1606, 2420, 3124, 3212, 3905, 4015, 5183, 7810, 8030, 8591, 8833, 10366, 15620, 16060, 17182, 17666, 20732, 25915, 34364, 35332, 42955, 44165, 51830, 57013, 85910, 88330, 103660, 114026, 171820, 176660, 228052, 285065, 570130, 627143, 1140260, 1254286, 2508572, 3135715, 6271430, 12542860]

約数ペア:

[(1, 12542860), (2, 6271430), (4, 3135715), (5, 2508572), (10, 1254286), (11, 1140260), (20, 627143), (22, 570130), (44, 285065), (55, 228052), (71, 176660), (73, 171820), (110, 114026), (121, 103660), (142, 88330), (146, 85910), (220, 57013), (242, 51830), (284, 44165), (292, 42955), (355, 35332), (365, 34364), (484, 25915), (605, 20732), (710, 17666), (730, 17182), (781, 16060), (803, 15620), (1210, 10366), (1420, 8833), (1460, 8591), (1562, 8030), (1606, 7810), (2420, 5183), (3124, 4015), (3212, 3905)]