8076400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 60

約数和(自身を含む): 19781224

約数和(自身を除く): 11704824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 331, 400, 488, 610, 662, 976, 1220, 1324, 1525, 1655, 2440, 2648, 3050, 3310, 4880, 5296, 6100, 6620, 8275, 12200, 13240, 16550, 20191, 24400, 26480, 33100, 40382, 66200, 80764, 100955, 132400, 161528, 201910, 323056, 403820, 504775, 807640, 1009550, 1615280, 2019100, 4038200, 8076400]

約数ペア:

[(1, 8076400), (2, 4038200), (4, 2019100), (5, 1615280), (8, 1009550), (10, 807640), (16, 504775), (20, 403820), (25, 323056), (40, 201910), (50, 161528), (61, 132400), (80, 100955), (100, 80764), (122, 66200), (200, 40382), (244, 33100), (305, 26480), (331, 24400), (400, 20191), (488, 16550), (610, 13240), (662, 12200), (976, 8275), (1220, 6620), (1324, 6100), (1525, 5296), (1655, 4880), (2440, 3310), (2648, 3050)]