139136320

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3989}}^1$

素因数の和:4115

約数の個数: 56

約数和(自身を含む): 334441800

約数和(自身を除く): 195305480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 3989, 4360, 6976, 7978, 8720, 15956, 17440, 19945, 31912, 34880, 39890, 63824, 79780, 127648, 159560, 255296, 319120, 434801, 638240, 869602, 1276480, 1739204, 2174005, 3478408, 4348010, 6956816, 8696020, 13913632, 17392040, 27827264, 34784080, 69568160, 139136320]

約数ペア:

[(1, 139136320), (2, 69568160), (4, 34784080), (5, 27827264), (8, 17392040), (10, 13913632), (16, 8696020), (20, 6956816), (32, 4348010), (40, 3478408), (64, 2174005), (80, 1739204), (109, 1276480), (160, 869602), (218, 638240), (320, 434801), (436, 319120), (545, 255296), (872, 159560), (1090, 127648), (1744, 79780), (2180, 63824), (3488, 39890), (3989, 34880), (4360, 31912), (6976, 19945), (7978, 17440), (8720, 15956)]