5347420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 12263328

約数和(自身を除く): 6915908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 157, 260, 262, 314, 524, 628, 655, 785, 1310, 1570, 1703, 2041, 2620, 3140, 3406, 4082, 6812, 8164, 8515, 10205, 17030, 20410, 20567, 34060, 40820, 41134, 82268, 102835, 205670, 267371, 411340, 534742, 1069484, 1336855, 2673710, 5347420]

約数ペア:

[(1, 5347420), (2, 2673710), (4, 1336855), (5, 1069484), (10, 534742), (13, 411340), (20, 267371), (26, 205670), (52, 102835), (65, 82268), (130, 41134), (131, 40820), (157, 34060), (260, 20567), (262, 20410), (314, 17030), (524, 10205), (628, 8515), (655, 8164), (785, 6812), (1310, 4082), (1570, 3406), (1703, 3140), (2041, 2620)]