201553460

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{64189}}^1$

素因数の和:64355

約数の個数: 24

約数和(自身を含む): 425964840

約数和(自身を除く): 224411380

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 64189, 128378, 256756, 320945, 641890, 1283780, 10077673, 20155346, 40310692, 50388365, 100776730, 201553460]

約数ペア:

[(1, 201553460), (2, 100776730), (4, 50388365), (5, 40310692), (10, 20155346), (20, 10077673), (157, 1283780), (314, 641890), (628, 320945), (785, 256756), (1570, 128378), (3140, 64189)]