86045420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 185011680

約数和(自身を除く): 98966260

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 157, 268, 314, 335, 409, 628, 670, 785, 818, 1340, 1570, 1636, 2045, 3140, 4090, 8180, 10519, 21038, 27403, 42076, 52595, 54806, 64213, 105190, 109612, 128426, 137015, 210380, 256852, 274030, 321065, 548060, 642130, 1284260, 4302271, 8604542, 17209084, 21511355, 43022710, 86045420]

約数ペア:

[(1, 86045420), (2, 43022710), (4, 21511355), (5, 17209084), (10, 8604542), (20, 4302271), (67, 1284260), (134, 642130), (157, 548060), (268, 321065), (314, 274030), (335, 256852), (409, 210380), (628, 137015), (670, 128426), (785, 109612), (818, 105190), (1340, 64213), (1570, 54806), (1636, 52595), (2045, 42076), (3140, 27403), (4090, 21038), (8180, 10519)]