31849973560

素因数分解:

$2^3\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{399523}}^1$

素因数の和:401527

約数の個数: 32

約数和(自身を含む): 71698577040

約数和(自身を除く): 39848603480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 7972, 9965, 15944, 19930, 39860, 79720, 399523, 799046, 1598092, 1997615, 3196184, 3995230, 7990460, 15980920, 796249339, 1592498678, 3184997356, 3981246695, 6369994712, 7962493390, 15924986780, 31849973560]

約数ペア:

[(1, 31849973560), (2, 15924986780), (4, 7962493390), (5, 6369994712), (8, 3981246695), (10, 3184997356), (20, 1592498678), (40, 796249339), (1993, 15980920), (3986, 7990460), (7972, 3995230), (9965, 3196184), (15944, 1997615), (19930, 1598092), (39860, 799046), (79720, 399523)]