65712560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26497}}^1$

素因数の和:26541

約数の個数: 40

約数和(自身を含む): 157716096

約数和(自身を除く): 92003536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26497, 52994, 105988, 132485, 211976, 264970, 423952, 529940, 821407, 1059880, 1642814, 2119760, 3285628, 4107035, 6571256, 8214070, 13142512, 16428140, 32856280, 65712560]

約数ペア:

[(1, 65712560), (2, 32856280), (4, 16428140), (5, 13142512), (8, 8214070), (10, 6571256), (16, 4107035), (20, 3285628), (31, 2119760), (40, 1642814), (62, 1059880), (80, 821407), (124, 529940), (155, 423952), (248, 264970), (310, 211976), (496, 132485), (620, 105988), (1240, 52994), (2480, 26497)]