131128240

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{9157}}^1$

素因数の和:9349

約数の個数: 40

約数和(自身を含む): 306609840

約数和(自身を除く): 175481600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 9157, 14320, 18314, 36628, 45785, 73256, 91570, 146512, 183140, 366280, 732560, 1639103, 3278206, 6556412, 8195515, 13112824, 16391030, 26225648, 32782060, 65564120, 131128240]

約数ペア:

[(1, 131128240), (2, 65564120), (4, 32782060), (5, 26225648), (8, 16391030), (10, 13112824), (16, 8195515), (20, 6556412), (40, 3278206), (80, 1639103), (179, 732560), (358, 366280), (716, 183140), (895, 146512), (1432, 91570), (1790, 73256), (2864, 45785), (3580, 36628), (7160, 18314), (9157, 14320)]