18348520880

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{363481}}^1$

素因数の和:364125

約数の個数: 40

約数和(自身を含む): 42728036064

約数和(自身を除く): 24379515184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 2524, 3155, 5048, 6310, 10096, 12620, 25240, 50480, 363481, 726962, 1453924, 1817405, 2907848, 3634810, 5815696, 7269620, 14539240, 29078480, 229356511, 458713022, 917426044, 1146782555, 1834852088, 2293565110, 3669704176, 4587130220, 9174260440, 18348520880]

約数ペア:

[(1, 18348520880), (2, 9174260440), (4, 4587130220), (5, 3669704176), (8, 2293565110), (10, 1834852088), (16, 1146782555), (20, 917426044), (40, 458713022), (80, 229356511), (631, 29078480), (1262, 14539240), (2524, 7269620), (3155, 5815696), (5048, 3634810), (6310, 2907848), (10096, 1817405), (12620, 1453924), (25240, 726962), (50480, 363481)]