128219780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29009}}^1$

素因数の和:29048

約数の個数: 48

約数和(自身を含む): 307041840

約数和(自身を除く): 178822060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 29009, 58018, 116036, 145045, 290090, 377117, 493153, 580180, 754234, 986306, 1508468, 1885585, 1972612, 2465765, 3771170, 4931530, 6410989, 7542340, 9863060, 12821978, 25643956, 32054945, 64109890, 128219780]

約数ペア:

[(1, 128219780), (2, 64109890), (4, 32054945), (5, 25643956), (10, 12821978), (13, 9863060), (17, 7542340), (20, 6410989), (26, 4931530), (34, 3771170), (52, 2465765), (65, 1972612), (68, 1885585), (85, 1508468), (130, 986306), (170, 754234), (221, 580180), (260, 493153), (340, 377117), (442, 290090), (884, 145045), (1105, 116036), (2210, 58018), (4420, 29009)]