31819760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56821}}^1$

素因数の和:56841

約数の個数: 40

約数和(自身を含む): 84551136

約数和(自身を除く): 52731376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56821, 113642, 227284, 284105, 397747, 454568, 568210, 795494, 909136, 1136420, 1590988, 1988735, 2272840, 3181976, 3977470, 4545680, 6363952, 7954940, 15909880, 31819760]

約数ペア:

[(1, 31819760), (2, 15909880), (4, 7954940), (5, 6363952), (7, 4545680), (8, 3977470), (10, 3181976), (14, 2272840), (16, 1988735), (20, 1590988), (28, 1136420), (35, 909136), (40, 795494), (56, 568210), (70, 454568), (80, 397747), (112, 284105), (140, 227284), (280, 113642), (560, 56821)]