71081680

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4211}}^1$

素因数の和:4435

約数の個数: 40

約数和(自身を含む): 166087584

約数和(自身を除く): 95005904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4211, 4220, 8422, 8440, 16844, 16880, 21055, 33688, 42110, 67376, 84220, 168440, 336880, 888521, 1777042, 3554084, 4442605, 7108168, 8885210, 14216336, 17770420, 35540840, 71081680]

約数ペア:

[(1, 71081680), (2, 35540840), (4, 17770420), (5, 14216336), (8, 8885210), (10, 7108168), (16, 4442605), (20, 3554084), (40, 1777042), (80, 888521), (211, 336880), (422, 168440), (844, 84220), (1055, 67376), (1688, 42110), (2110, 33688), (3376, 21055), (4211, 16880), (4220, 16844), (8422, 8440)]