1555368516620

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{286968361}}^1$

素因数の和:286968641

約数の個数: 24

約数和(自身を含む): 3278326567488

約数和(自身を除く): 1722958050868

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 286968361, 573936722, 1147873444, 1434841805, 2869683610, 5739367220, 77768425831, 155536851662, 311073703324, 388842129155, 777684258310, 1555368516620]

約数ペア:

[(1, 1555368516620), (2, 777684258310), (4, 388842129155), (5, 311073703324), (10, 155536851662), (20, 77768425831), (271, 5739367220), (542, 2869683610), (1084, 1434841805), (1355, 1147873444), (2710, 573936722), (5420, 286968361)]