80451680

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8243}}^1$

素因数の和:8319

約数の個数: 48

約数和(自身を含む): 193206384

約数和(自身を除く): 112754704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 8243, 9760, 16486, 32972, 41215, 65944, 82430, 131888, 164860, 263776, 329720, 502823, 659440, 1005646, 1318880, 2011292, 2514115, 4022584, 5028230, 8045168, 10056460, 16090336, 20112920, 40225840, 80451680]

約数ペア:

[(1, 80451680), (2, 40225840), (4, 20112920), (5, 16090336), (8, 10056460), (10, 8045168), (16, 5028230), (20, 4022584), (32, 2514115), (40, 2011292), (61, 1318880), (80, 1005646), (122, 659440), (160, 502823), (244, 329720), (305, 263776), (488, 164860), (610, 131888), (976, 82430), (1220, 65944), (1952, 41215), (2440, 32972), (4880, 16486), (8243, 9760)]