31906520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 44125480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 439, 460, 632, 790, 878, 920, 1580, 1756, 1817, 2195, 3160, 3512, 3634, 4390, 7268, 8780, 9085, 10097, 14536, 17560, 18170, 20194, 34681, 36340, 40388, 50485, 69362, 72680, 80776, 100970, 138724, 173405, 201940, 277448, 346810, 403880, 693620, 797663, 1387240, 1595326, 3190652, 3988315, 6381304, 7976630, 15953260, 31906520]

約数ペア:

[(1, 31906520), (2, 15953260), (4, 7976630), (5, 6381304), (8, 3988315), (10, 3190652), (20, 1595326), (23, 1387240), (40, 797663), (46, 693620), (79, 403880), (92, 346810), (115, 277448), (158, 201940), (184, 173405), (230, 138724), (316, 100970), (395, 80776), (439, 72680), (460, 69362), (632, 50485), (790, 40388), (878, 36340), (920, 34681), (1580, 20194), (1756, 18170), (1817, 17560), (2195, 14536), (3160, 10097), (3512, 9085), (3634, 8780), (4390, 7268)]