31884440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4951}}^1$

素因数の和:4992

約数の個数: 64

約数和(自身を含む): 85570560

約数和(自身を除く): 53686120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4951, 6440, 9902, 19804, 24755, 34657, 39608, 49510, 69314, 99020, 113873, 138628, 173285, 198040, 227746, 277256, 346570, 455492, 569365, 693140, 797111, 910984, 1138730, 1386280, 1594222, 2277460, 3188444, 3985555, 4554920, 6376888, 7971110, 15942220, 31884440]

約数ペア:

[(1, 31884440), (2, 15942220), (4, 7971110), (5, 6376888), (7, 4554920), (8, 3985555), (10, 3188444), (14, 2277460), (20, 1594222), (23, 1386280), (28, 1138730), (35, 910984), (40, 797111), (46, 693140), (56, 569365), (70, 455492), (92, 346570), (115, 277256), (140, 227746), (161, 198040), (184, 173285), (230, 138628), (280, 113873), (322, 99020), (460, 69314), (644, 49510), (805, 39608), (920, 34657), (1288, 24755), (1610, 19804), (3220, 9902), (4951, 6440)]