2666003720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{5527}}^1$

素因数の和:5958

約数の個数: 64

約数和(自身を含む): 6209049600

約数和(自身を除く): 3543045880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 389, 620, 778, 1240, 1556, 1945, 3112, 3890, 5527, 7780, 11054, 12059, 15560, 22108, 24118, 27635, 44216, 48236, 55270, 60295, 96472, 110540, 120590, 171337, 221080, 241180, 342674, 482360, 685348, 856685, 1370696, 1713370, 2150003, 3426740, 4300006, 6853480, 8600012, 10750015, 17200024, 21500030, 43000060, 66650093, 86000120, 133300186, 266600372, 333250465, 533200744, 666500930, 1333001860, 2666003720]

約数ペア:

[(1, 2666003720), (2, 1333001860), (4, 666500930), (5, 533200744), (8, 333250465), (10, 266600372), (20, 133300186), (31, 86000120), (40, 66650093), (62, 43000060), (124, 21500030), (155, 17200024), (248, 10750015), (310, 8600012), (389, 6853480), (620, 4300006), (778, 3426740), (1240, 2150003), (1556, 1713370), (1945, 1370696), (3112, 856685), (3890, 685348), (5527, 482360), (7780, 342674), (11054, 241180), (12059, 221080), (15560, 171337), (22108, 120590), (24118, 110540), (27635, 96472), (44216, 60295), (48236, 55270)]