71887160

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11447}}^1$

素因数の和:11615

約数の個数: 32

約数和(自身を含む): 162790560

約数和(自身を除く): 90903400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 11447, 22894, 45788, 57235, 91576, 114470, 228940, 457880, 1797179, 3594358, 7188716, 8985895, 14377432, 17971790, 35943580, 71887160]

約数ペア:

[(1, 71887160), (2, 35943580), (4, 17971790), (5, 14377432), (8, 8985895), (10, 7188716), (20, 3594358), (40, 1797179), (157, 457880), (314, 228940), (628, 114470), (785, 91576), (1256, 57235), (1570, 45788), (3140, 22894), (6280, 11447)]