64194800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 90

約数和(自身を含む): 160317864

約数和(自身を除く): 96123064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 167, 200, 248, 310, 334, 400, 496, 620, 668, 775, 835, 961, 1240, 1336, 1550, 1670, 1922, 2480, 2672, 3100, 3340, 3844, 4175, 4805, 5177, 6200, 6680, 7688, 8350, 9610, 10354, 12400, 13360, 15376, 16700, 19220, 20708, 24025, 25885, 33400, 38440, 41416, 48050, 51770, 66800, 76880, 82832, 96100, 103540, 129425, 160487, 192200, 207080, 258850, 320974, 384400, 414160, 517700, 641948, 802435, 1035400, 1283896, 1604870, 2070800, 2567792, 3209740, 4012175, 6419480, 8024350, 12838960, 16048700, 32097400, 64194800]

約数ペア:

[(1, 64194800), (2, 32097400), (4, 16048700), (5, 12838960), (8, 8024350), (10, 6419480), (16, 4012175), (20, 3209740), (25, 2567792), (31, 2070800), (40, 1604870), (50, 1283896), (62, 1035400), (80, 802435), (100, 641948), (124, 517700), (155, 414160), (167, 384400), (200, 320974), (248, 258850), (310, 207080), (334, 192200), (400, 160487), (496, 129425), (620, 103540), (668, 96100), (775, 82832), (835, 76880), (961, 66800), (1240, 51770), (1336, 48050), (1550, 41416), (1670, 38440), (1922, 33400), (2480, 25885), (2672, 24025), (3100, 20708), (3340, 19220), (3844, 16700), (4175, 15376), (4805, 13360), (5177, 12400), (6200, 10354), (6680, 9610), (7688, 8350)]