8889471440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1821613}}^1$

素因数の和:1821687

約数の個数: 40

約数和(自身を含む): 21006852648

約数和(自身を除く): 12117381208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 1821613, 3643226, 7286452, 9108065, 14572904, 18216130, 29145808, 36432260, 72864520, 111118393, 145729040, 222236786, 444473572, 555591965, 888947144, 1111183930, 1777894288, 2222367860, 4444735720, 8889471440]

約数ペア:

[(1, 8889471440), (2, 4444735720), (4, 2222367860), (5, 1777894288), (8, 1111183930), (10, 888947144), (16, 555591965), (20, 444473572), (40, 222236786), (61, 145729040), (80, 111118393), (122, 72864520), (244, 36432260), (305, 29145808), (488, 18216130), (610, 14572904), (976, 9108065), (1220, 7286452), (2440, 3643226), (4880, 1821613)]