208065320720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63434549}}^1$

素因数の和:63434603

約数の個数: 40

約数和(自身を含む): 495550704600

約数和(自身を除く): 287485383880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 63434549, 126869098, 253738196, 317172745, 507476392, 634345490, 1014952784, 1268690980, 2537381960, 2600816509, 5074763920, 5201633018, 10403266036, 13004082545, 20806532072, 26008165090, 41613064144, 52016330180, 104032660360, 208065320720]

約数ペア:

[(1, 208065320720), (2, 104032660360), (4, 52016330180), (5, 41613064144), (8, 26008165090), (10, 20806532072), (16, 13004082545), (20, 10403266036), (40, 5201633018), (41, 5074763920), (80, 2600816509), (82, 2537381960), (164, 1268690980), (205, 1014952784), (328, 634345490), (410, 507476392), (656, 317172745), (820, 253738196), (1640, 126869098), (3280, 63434549)]