1278795800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{48809}}^1$

素因数の和:48956

約数の個数: 48

約数和(自身を含む): 2995957800

約数和(自身を除く): 1717162000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 13100, 26200, 48809, 97618, 195236, 244045, 390472, 488090, 976180, 1220225, 1952360, 2440450, 4880900, 6393979, 9761800, 12787958, 25575916, 31969895, 51151832, 63939790, 127879580, 159849475, 255759160, 319698950, 639397900, 1278795800]

約数ペア:

[(1, 1278795800), (2, 639397900), (4, 319698950), (5, 255759160), (8, 159849475), (10, 127879580), (20, 63939790), (25, 51151832), (40, 31969895), (50, 25575916), (100, 12787958), (131, 9761800), (200, 6393979), (262, 4880900), (524, 2440450), (655, 1952360), (1048, 1220225), (1310, 976180), (2620, 488090), (3275, 390472), (5240, 244045), (6550, 195236), (13100, 97618), (26200, 48809)]