51996400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2210

約数の個数: 60

約数和(自身を含む): 127028824

約数和(自身を除く): 75032424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2131, 2440, 3050, 4262, 4880, 6100, 8524, 10655, 12200, 17048, 21310, 24400, 34096, 42620, 53275, 85240, 106550, 129991, 170480, 213100, 259982, 426200, 519964, 649955, 852400, 1039928, 1299910, 2079856, 2599820, 3249775, 5199640, 6499550, 10399280, 12999100, 25998200, 51996400]

約数ペア:

[(1, 51996400), (2, 25998200), (4, 12999100), (5, 10399280), (8, 6499550), (10, 5199640), (16, 3249775), (20, 2599820), (25, 2079856), (40, 1299910), (50, 1039928), (61, 852400), (80, 649955), (100, 519964), (122, 426200), (200, 259982), (244, 213100), (305, 170480), (400, 129991), (488, 106550), (610, 85240), (976, 53275), (1220, 42620), (1525, 34096), (2131, 24400), (2440, 21310), (3050, 17048), (4262, 12200), (4880, 10655), (6100, 8524)]