103688647120

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1\times {\mathrm{2621}}^1$

素因数の和:4124

約数の個数: 80

約数和(自身を含む): 241895232000

約数和(自身を除く): 138206584880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 991, 998, 1982, 1996, 2495, 2621, 3964, 3992, 4955, 4990, 5242, 7928, 7984, 9910, 9980, 10484, 13105, 15856, 19820, 19960, 20968, 26210, 39640, 39920, 41936, 52420, 79280, 104840, 209680, 494509, 989018, 1307879, 1978036, 2472545, 2597411, 2615758, 3956072, 4945090, 5194822, 5231516, 6539395, 7912144, 9890180, 10389644, 10463032, 12987055, 13078790, 19780360, 20779288, 20926064, 25974110, 26157580, 39560720, 41558576, 51948220, 52315160, 103896440, 104630320, 207792880, 1296108089, 2592216178, 5184432356, 6480540445, 10368864712, 12961080890, 20737729424, 25922161780, 51844323560, 103688647120]

約数ペア:

[(1, 103688647120), (2, 51844323560), (4, 25922161780), (5, 20737729424), (8, 12961080890), (10, 10368864712), (16, 6480540445), (20, 5184432356), (40, 2592216178), (80, 1296108089), (499, 207792880), (991, 104630320), (998, 103896440), (1982, 52315160), (1996, 51948220), (2495, 41558576), (2621, 39560720), (3964, 26157580), (3992, 25974110), (4955, 20926064), (4990, 20779288), (5242, 19780360), (7928, 13078790), (7984, 12987055), (9910, 10463032), (9980, 10389644), (10484, 9890180), (13105, 7912144), (15856, 6539395), (19820, 5231516), (19960, 5194822), (20968, 4945090), (26210, 3956072), (39640, 2615758), (39920, 2597411), (41936, 2472545), (52420, 1978036), (79280, 1307879), (104840, 989018), (209680, 494509)]