804916400

素因数分解:

$2^4\times 5^2\times {\mathrm{131}}^1\times {\mathrm{15361}}^1$

素因数の和:15510

約数の個数: 60

約数和(自身を含む): 1948700424

約数和(自身を除く): 1143784024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 131, 200, 262, 400, 524, 655, 1048, 1310, 2096, 2620, 3275, 5240, 6550, 10480, 13100, 15361, 26200, 30722, 52400, 61444, 76805, 122888, 153610, 245776, 307220, 384025, 614440, 768050, 1228880, 1536100, 2012291, 3072200, 4024582, 6144400, 8049164, 10061455, 16098328, 20122910, 32196656, 40245820, 50307275, 80491640, 100614550, 160983280, 201229100, 402458200, 804916400]

約数ペア:

[(1, 804916400), (2, 402458200), (4, 201229100), (5, 160983280), (8, 100614550), (10, 80491640), (16, 50307275), (20, 40245820), (25, 32196656), (40, 20122910), (50, 16098328), (80, 10061455), (100, 8049164), (131, 6144400), (200, 4024582), (262, 3072200), (400, 2012291), (524, 1536100), (655, 1228880), (1048, 768050), (1310, 614440), (2096, 384025), (2620, 307220), (3275, 245776), (5240, 153610), (6550, 122888), (10480, 76805), (13100, 61444), (15361, 52400), (26200, 30722)]