204562240

素因数分解:

$2^6\times 5^1\times {\mathrm{639257}}^1$

素因数の和:639274

約数の個数: 28

約数和(自身を含む): 487114596

約数和(自身を除く): 282552356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 639257, 1278514, 2557028, 3196285, 5114056, 6392570, 10228112, 12785140, 20456224, 25570280, 40912448, 51140560, 102281120, 204562240]

約数ペア:

[(1, 204562240), (2, 102281120), (4, 51140560), (5, 40912448), (8, 25570280), (10, 20456224), (16, 12785140), (20, 10228112), (32, 6392570), (40, 5114056), (64, 3196285), (80, 2557028), (160, 1278514), (320, 639257)]