91123880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 216691200

約数和(自身を除く): 125567320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1709, 1720, 2666, 3418, 5332, 6665, 6836, 8545, 10664, 13330, 13672, 17090, 26660, 34180, 52979, 53320, 68360, 73487, 105958, 146974, 211916, 264895, 293948, 367435, 423832, 529790, 587896, 734870, 1059580, 1469740, 2119160, 2278097, 2939480, 4556194, 9112388, 11390485, 18224776, 22780970, 45561940, 91123880]

約数ペア:

[(1, 91123880), (2, 45561940), (4, 22780970), (5, 18224776), (8, 11390485), (10, 9112388), (20, 4556194), (31, 2939480), (40, 2278097), (43, 2119160), (62, 1469740), (86, 1059580), (124, 734870), (155, 587896), (172, 529790), (215, 423832), (248, 367435), (310, 293948), (344, 264895), (430, 211916), (620, 146974), (860, 105958), (1240, 73487), (1333, 68360), (1709, 53320), (1720, 52979), (2666, 34180), (3418, 26660), (5332, 17090), (6665, 13672), (6836, 13330), (8545, 10664)]