71887880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78139}}^1$

素因数の和:78173

約数の個数: 32

約数和(自身を含む): 168782400

約数和(自身を除く): 96894520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 78139, 156278, 312556, 390695, 625112, 781390, 1562780, 1797197, 3125560, 3594394, 7188788, 8985985, 14377576, 17971970, 35943940, 71887880]

約数ペア:

[(1, 71887880), (2, 35943940), (4, 17971970), (5, 14377576), (8, 8985985), (10, 7188788), (20, 3594394), (23, 3125560), (40, 1797197), (46, 1562780), (92, 781390), (115, 625112), (184, 390695), (230, 312556), (460, 156278), (920, 78139)]