80243500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 72

約数和(自身を含む): 182171808

約数和(自身を除く): 101928308

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 167, 250, 310, 334, 500, 620, 668, 775, 835, 961, 1550, 1670, 1922, 3100, 3340, 3844, 3875, 4175, 4805, 5177, 7750, 8350, 9610, 10354, 15500, 16700, 19220, 20708, 20875, 24025, 25885, 41750, 48050, 51770, 83500, 96100, 103540, 120125, 129425, 160487, 240250, 258850, 320974, 480500, 517700, 641948, 647125, 802435, 1294250, 1604870, 2588500, 3209740, 4012175, 8024350, 16048700, 20060875, 40121750, 80243500]

約数ペア:

[(1, 80243500), (2, 40121750), (4, 20060875), (5, 16048700), (10, 8024350), (20, 4012175), (25, 3209740), (31, 2588500), (50, 1604870), (62, 1294250), (100, 802435), (124, 647125), (125, 641948), (155, 517700), (167, 480500), (250, 320974), (310, 258850), (334, 240250), (500, 160487), (620, 129425), (668, 120125), (775, 103540), (835, 96100), (961, 83500), (1550, 51770), (1670, 48050), (1922, 41750), (3100, 25885), (3340, 24025), (3844, 20875), (3875, 20708), (4175, 19220), (4805, 16700), (5177, 15500), (7750, 10354), (8350, 9610)]