89740820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{631}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 203645568

約数和(自身を除く): 113904748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 631, 1094, 1262, 2188, 2524, 2735, 3155, 5470, 6310, 7111, 8203, 10940, 12620, 14222, 16406, 28444, 32812, 35555, 41015, 71110, 82030, 142220, 164060, 345157, 690314, 1380628, 1725785, 3451570, 4487041, 6903140, 8974082, 17948164, 22435205, 44870410, 89740820]

約数ペア:

[(1, 89740820), (2, 44870410), (4, 22435205), (5, 17948164), (10, 8974082), (13, 6903140), (20, 4487041), (26, 3451570), (52, 1725785), (65, 1380628), (130, 690314), (260, 345157), (547, 164060), (631, 142220), (1094, 82030), (1262, 71110), (2188, 41015), (2524, 35555), (2735, 32812), (3155, 28444), (5470, 16406), (6310, 14222), (7111, 12620), (8203, 10940)]