40905230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3389}}^1$

素因数の和:3484

約数の個数: 32

約数和(自身を含む): 79081920

約数和(自身を除く): 38176690

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 3389, 6035, 6778, 12070, 16945, 33890, 57613, 115226, 240619, 288065, 481238, 576130, 1203095, 2406190, 4090523, 8181046, 20452615, 40905230]

約数ペア:

[(1, 40905230), (2, 20452615), (5, 8181046), (10, 4090523), (17, 2406190), (34, 1203095), (71, 576130), (85, 481238), (142, 288065), (170, 240619), (355, 115226), (710, 57613), (1207, 33890), (2414, 16945), (3389, 12070), (6035, 6778)]