202409080

素因数分解:

$2^3\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{2539}}^1$

素因数の和:4543

約数の個数: 32

約数和(自身を含む): 455828400

約数和(自身を除く): 253419320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1993, 2539, 3986, 5078, 7972, 9965, 10156, 12695, 15944, 19930, 20312, 25390, 39860, 50780, 79720, 101560, 5060227, 10120454, 20240908, 25301135, 40481816, 50602270, 101204540, 202409080]

約数ペア:

[(1, 202409080), (2, 101204540), (4, 50602270), (5, 40481816), (8, 25301135), (10, 20240908), (20, 10120454), (40, 5060227), (1993, 101560), (2539, 79720), (3986, 50780), (5078, 39860), (7972, 25390), (9965, 20312), (10156, 19930), (12695, 15944)]