31955720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2213}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 75918060

約数和(自身を除く): 43962340

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2213, 2888, 3610, 4426, 7220, 8852, 11065, 14440, 17704, 22130, 42047, 44260, 84094, 88520, 168188, 210235, 336376, 420470, 798893, 840940, 1597786, 1681880, 3195572, 3994465, 6391144, 7988930, 15977860, 31955720]

約数ペア:

[(1, 31955720), (2, 15977860), (4, 7988930), (5, 6391144), (8, 3994465), (10, 3195572), (19, 1681880), (20, 1597786), (38, 840940), (40, 798893), (76, 420470), (95, 336376), (152, 210235), (190, 168188), (361, 88520), (380, 84094), (722, 44260), (760, 42047), (1444, 22130), (1805, 17704), (2213, 14440), (2888, 11065), (3610, 8852), (4426, 7220)]