80402480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1254

約数の個数: 80

約数和(自身を含む): 200505024

約数和(自身を除く): 120102544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 296, 368, 370, 460, 592, 740, 851, 920, 1181, 1480, 1702, 1840, 2362, 2960, 3404, 4255, 4724, 5905, 6808, 8510, 9448, 11810, 13616, 17020, 18896, 23620, 27163, 34040, 43697, 47240, 54326, 68080, 87394, 94480, 108652, 135815, 174788, 217304, 218485, 271630, 349576, 434608, 436970, 543260, 699152, 873940, 1005031, 1086520, 1747880, 2010062, 2173040, 3495760, 4020124, 5025155, 8040248, 10050310, 16080496, 20100620, 40201240, 80402480]

約数ペア:

[(1, 80402480), (2, 40201240), (4, 20100620), (5, 16080496), (8, 10050310), (10, 8040248), (16, 5025155), (20, 4020124), (23, 3495760), (37, 2173040), (40, 2010062), (46, 1747880), (74, 1086520), (80, 1005031), (92, 873940), (115, 699152), (148, 543260), (184, 436970), (185, 434608), (230, 349576), (296, 271630), (368, 218485), (370, 217304), (460, 174788), (592, 135815), (740, 108652), (851, 94480), (920, 87394), (1181, 68080), (1480, 54326), (1702, 47240), (1840, 43697), (2362, 34040), (2960, 27163), (3404, 23620), (4255, 18896), (4724, 17020), (5905, 13616), (6808, 11810), (8510, 9448)]