77665640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11489}}^1$

素因数の和:11526

約数の個数: 48

約数和(自身を含む): 189240300

約数和(自身を除く): 111574660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 11489, 22978, 45956, 57445, 91912, 114890, 149357, 229780, 298714, 459560, 597428, 746785, 1194856, 1493570, 1941641, 2987140, 3883282, 5974280, 7766564, 9708205, 15533128, 19416410, 38832820, 77665640]

約数ペア:

[(1, 77665640), (2, 38832820), (4, 19416410), (5, 15533128), (8, 9708205), (10, 7766564), (13, 5974280), (20, 3883282), (26, 2987140), (40, 1941641), (52, 1493570), (65, 1194856), (104, 746785), (130, 597428), (169, 459560), (260, 298714), (338, 229780), (520, 149357), (676, 114890), (845, 91912), (1352, 57445), (1690, 45956), (3380, 22978), (6760, 11489)]