78011680

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7993}}^1$

素因数の和:8069

約数の個数: 48

約数和(自身を含む): 187347384

約数和(自身を除く): 109335704

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, 7993, 9760, 15986, 31972, 39965, 63944, 79930, 127888, 159860, 255776, 319720, 487573, 639440, 975146, 1278880, 1950292, 2437865, 3900584, 4875730, 7801168, 9751460, 15602336, 19502920, 39005840, 78011680]

約数ペア:

[(1, 78011680), (2, 39005840), (4, 19502920), (5, 15602336), (8, 9751460), (10, 7801168), (16, 4875730), (20, 3900584), (32, 2437865), (40, 1950292), (61, 1278880), (80, 975146), (122, 639440), (160, 487573), (244, 319720), (305, 255776), (488, 159860), (610, 127888), (976, 79930), (1220, 63944), (1952, 39965), (2440, 31972), (4880, 15986), (7993, 9760)]