8046220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4450

約数の個数: 48

約数和(自身を含む): 20801088

約数和(自身を除く): 12754868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4421, 8842, 17684, 22105, 30947, 44210, 57473, 61894, 88420, 114946, 123788, 154735, 229892, 287365, 309470, 402311, 574730, 618940, 804622, 1149460, 1609244, 2011555, 4023110, 8046220]

約数ペア:

[(1, 8046220), (2, 4023110), (4, 2011555), (5, 1609244), (7, 1149460), (10, 804622), (13, 618940), (14, 574730), (20, 402311), (26, 309470), (28, 287365), (35, 229892), (52, 154735), (65, 123788), (70, 114946), (91, 88420), (130, 61894), (140, 57473), (182, 44210), (260, 30947), (364, 22105), (455, 17684), (910, 8842), (1820, 4421)]