253711261420

素因数分解:

$2^2\times 5^1\times {\mathrm{198017}}^1\times {\mathrm{64063}}^1$

素因数の和:262089

約数の個数: 24

約数和(自身を含む): 532804656384

約数和(自身を除く): 279093394964

約数列:

[1, 2, 4, 5, 10, 20, 64063, 128126, 198017, 256252, 320315, 396034, 640630, 792068, 990085, 1281260, 1980170, 3960340, 12685563071, 25371126142, 50742252284, 63427815355, 126855630710, 253711261420]

約数ペア:

[(1, 253711261420), (2, 126855630710), (4, 63427815355), (5, 50742252284), (10, 25371126142), (20, 12685563071), (64063, 3960340), (128126, 1980170), (198017, 1281260), (256252, 990085), (320315, 792068), (396034, 640630)]