81891500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{7121}}^1$

素因数の和:7163

約数の個数: 48

約数和(自身を含む): 186653376

約数和(自身を除く): 104761876

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 2300, 2875, 5750, 7121, 11500, 14242, 28484, 35605, 71210, 142420, 163783, 178025, 327566, 356050, 655132, 712100, 818915, 890125, 1637830, 1780250, 3275660, 3560500, 4094575, 8189150, 16378300, 20472875, 40945750, 81891500]

約数ペア:

[(1, 81891500), (2, 40945750), (4, 20472875), (5, 16378300), (10, 8189150), (20, 4094575), (23, 3560500), (25, 3275660), (46, 1780250), (50, 1637830), (92, 890125), (100, 818915), (115, 712100), (125, 655132), (230, 356050), (250, 327566), (460, 178025), (500, 163783), (575, 142420), (1150, 71210), (2300, 35605), (2875, 28484), (5750, 14242), (7121, 11500)]