12900430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 25027200

約数和(自身を除く): 12126770

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1579, 1634, 3158, 4085, 7895, 8170, 15790, 30001, 60002, 67897, 135794, 150005, 300010, 339485, 678970, 1290043, 2580086, 6450215, 12900430]

約数ペア:

[(1, 12900430), (2, 6450215), (5, 2580086), (10, 1290043), (19, 678970), (38, 339485), (43, 300010), (86, 150005), (95, 135794), (190, 67897), (215, 60002), (430, 30001), (817, 15790), (1579, 8170), (1634, 7895), (3158, 4085)]