2002502120

素因数分解:

$2^3\times 5^1\times {\mathrm{2671}}^1\times {\mathrm{18743}}^1$

素因数の和:21425

約数の個数: 32

約数和(自身を含む): 4507557120

約数和(自身を除く): 2505055000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2671, 5342, 10684, 13355, 18743, 21368, 26710, 37486, 53420, 74972, 93715, 106840, 149944, 187430, 374860, 749720, 50062553, 100125106, 200250212, 250312765, 400500424, 500625530, 1001251060, 2002502120]

約数ペア:

[(1, 2002502120), (2, 1001251060), (4, 500625530), (5, 400500424), (8, 250312765), (10, 200250212), (20, 100125106), (40, 50062553), (2671, 749720), (5342, 374860), (10684, 187430), (13355, 149944), (18743, 106840), (21368, 93715), (26710, 74972), (37486, 53420)]