25020970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 48798288

約数和(自身を除く): 23777318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 977, 985, 1954, 1970, 2561, 4885, 5122, 9770, 12701, 12805, 25402, 25610, 63505, 127010, 192469, 384938, 962345, 1924690, 2502097, 5004194, 12510485, 25020970]

約数ペア:

[(1, 25020970), (2, 12510485), (5, 5004194), (10, 2502097), (13, 1924690), (26, 962345), (65, 384938), (130, 192469), (197, 127010), (394, 63505), (977, 25610), (985, 25402), (1954, 12805), (1970, 12701), (2561, 9770), (4885, 5122)]