31360040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 74649600

約数和(自身を除く): 43289560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 383, 445, 460, 712, 766, 890, 920, 1532, 1780, 1915, 2047, 3064, 3560, 3830, 4094, 7660, 8188, 8809, 10235, 15320, 16376, 17618, 20470, 34087, 35236, 40940, 44045, 68174, 70472, 81880, 88090, 136348, 170435, 176180, 272696, 340870, 352360, 681740, 784001, 1363480, 1568002, 3136004, 3920005, 6272008, 7840010, 15680020, 31360040]

約数ペア:

[(1, 31360040), (2, 15680020), (4, 7840010), (5, 6272008), (8, 3920005), (10, 3136004), (20, 1568002), (23, 1363480), (40, 784001), (46, 681740), (89, 352360), (92, 340870), (115, 272696), (178, 176180), (184, 170435), (230, 136348), (356, 88090), (383, 81880), (445, 70472), (460, 68174), (712, 44045), (766, 40940), (890, 35236), (920, 34087), (1532, 20470), (1780, 17618), (1915, 16376), (2047, 15320), (3064, 10235), (3560, 8809), (3830, 8188), (4094, 7660)]