81205552

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{12113}}^1$

素因数の和:12540

約数の個数: 20

約数和(自身を含む): 157724280

約数和(自身を除く): 76518728

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 12113, 24226, 48452, 96904, 193808, 5075347, 10150694, 20301388, 40602776, 81205552]

約数ペア:

[(1, 81205552), (2, 40602776), (4, 20301388), (8, 10150694), (16, 5075347), (419, 193808), (838, 96904), (1676, 48452), (3352, 24226), (6704, 12113)]