31426400

素因数分解:

$2^5\times 5^2\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 72

約数和(自身を含む): 77510664

約数和(自身を除く): 46084264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 163, 200, 241, 326, 400, 482, 652, 800, 815, 964, 1205, 1304, 1630, 1928, 2410, 2608, 3260, 3856, 4075, 4820, 5216, 6025, 6520, 7712, 8150, 9640, 12050, 13040, 16300, 19280, 24100, 26080, 32600, 38560, 39283, 48200, 65200, 78566, 96400, 130400, 157132, 192800, 196415, 314264, 392830, 628528, 785660, 982075, 1257056, 1571320, 1964150, 3142640, 3928300, 6285280, 7856600, 15713200, 31426400]

約数ペア:

[(1, 31426400), (2, 15713200), (4, 7856600), (5, 6285280), (8, 3928300), (10, 3142640), (16, 1964150), (20, 1571320), (25, 1257056), (32, 982075), (40, 785660), (50, 628528), (80, 392830), (100, 314264), (160, 196415), (163, 192800), (200, 157132), (241, 130400), (326, 96400), (400, 78566), (482, 65200), (652, 48200), (800, 39283), (815, 38560), (964, 32600), (1205, 26080), (1304, 24100), (1630, 19280), (1928, 16300), (2410, 13040), (2608, 12050), (3260, 9640), (3856, 8150), (4075, 7712), (4820, 6520), (5216, 6025)]