18056320

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 43788600

約数和(自身を除く): 25732280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 317, 320, 356, 445, 634, 640, 712, 890, 1268, 1424, 1585, 1780, 2536, 2848, 3170, 3560, 5072, 5696, 6340, 7120, 10144, 11392, 12680, 14240, 20288, 25360, 28213, 28480, 40576, 50720, 56426, 56960, 101440, 112852, 141065, 202880, 225704, 282130, 451408, 564260, 902816, 1128520, 1805632, 2257040, 3611264, 4514080, 9028160, 18056320]

約数ペア:

[(1, 18056320), (2, 9028160), (4, 4514080), (5, 3611264), (8, 2257040), (10, 1805632), (16, 1128520), (20, 902816), (32, 564260), (40, 451408), (64, 282130), (80, 225704), (89, 202880), (128, 141065), (160, 112852), (178, 101440), (317, 56960), (320, 56426), (356, 50720), (445, 40576), (634, 28480), (640, 28213), (712, 25360), (890, 20288), (1268, 14240), (1424, 12680), (1585, 11392), (1780, 10144), (2536, 7120), (2848, 6340), (3170, 5696), (3560, 5072)]