49708280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13963}}^1$

素因数の和:14063

約数の個数: 32

約数和(自身を含む): 113108400

約数和(自身を除く): 63400120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 13963, 27926, 55852, 69815, 111704, 139630, 279260, 558520, 1242707, 2485414, 4970828, 6213535, 9941656, 12427070, 24854140, 49708280]

約数ペア:

[(1, 49708280), (2, 24854140), (4, 12427070), (5, 9941656), (8, 6213535), (10, 4970828), (20, 2485414), (40, 1242707), (89, 558520), (178, 279260), (356, 139630), (445, 111704), (712, 69815), (890, 55852), (1780, 27926), (3560, 13963)]