86622440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 200344320

約数和(自身を除く): 113721880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 131, 244, 262, 271, 305, 488, 524, 542, 610, 655, 1048, 1084, 1220, 1310, 1355, 2168, 2440, 2620, 2710, 5240, 5420, 7991, 10840, 15982, 16531, 31964, 33062, 35501, 39955, 63928, 66124, 71002, 79910, 82655, 132248, 142004, 159820, 165310, 177505, 284008, 319640, 330620, 355010, 661240, 710020, 1420040, 2165561, 4331122, 8662244, 10827805, 17324488, 21655610, 43311220, 86622440]

約数ペア:

[(1, 86622440), (2, 43311220), (4, 21655610), (5, 17324488), (8, 10827805), (10, 8662244), (20, 4331122), (40, 2165561), (61, 1420040), (122, 710020), (131, 661240), (244, 355010), (262, 330620), (271, 319640), (305, 284008), (488, 177505), (524, 165310), (542, 159820), (610, 142004), (655, 132248), (1048, 82655), (1084, 79910), (1220, 71002), (1310, 66124), (1355, 63928), (2168, 39955), (2440, 35501), (2620, 33062), (2710, 31964), (5240, 16531), (5420, 15982), (7991, 10840)]