4318280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 9833400

約数和(自身を除く): 5515120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1213, 1780, 2426, 3560, 4852, 6065, 9704, 12130, 24260, 48520, 107957, 215914, 431828, 539785, 863656, 1079570, 2159140, 4318280]

約数ペア:

[(1, 4318280), (2, 2159140), (4, 1079570), (5, 863656), (8, 539785), (10, 431828), (20, 215914), (40, 107957), (89, 48520), (178, 24260), (356, 12130), (445, 9704), (712, 6065), (890, 4852), (1213, 3560), (1780, 2426)]