8800280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 21012480

約数和(自身を除く): 12212200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 151, 155, 188, 235, 248, 302, 310, 376, 470, 604, 620, 755, 940, 1208, 1240, 1457, 1510, 1880, 2914, 3020, 4681, 5828, 6040, 7097, 7285, 9362, 11656, 14194, 14570, 18724, 23405, 28388, 29140, 35485, 37448, 46810, 56776, 58280, 70970, 93620, 141940, 187240, 220007, 283880, 440014, 880028, 1100035, 1760056, 2200070, 4400140, 8800280]

約数ペア:

[(1, 8800280), (2, 4400140), (4, 2200070), (5, 1760056), (8, 1100035), (10, 880028), (20, 440014), (31, 283880), (40, 220007), (47, 187240), (62, 141940), (94, 93620), (124, 70970), (151, 58280), (155, 56776), (188, 46810), (235, 37448), (248, 35485), (302, 29140), (310, 28388), (376, 23405), (470, 18724), (604, 14570), (620, 14194), (755, 11656), (940, 9362), (1208, 7285), (1240, 7097), (1457, 6040), (1510, 5828), (1880, 4681), (2914, 3020)]