80720896

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{4637}}^1$

素因数の和:4674

約数の個数: 44

約数和(自身を含む): 170891748

約数和(自身を除く): 90170852

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2176, 4352, 4637, 8704, 9274, 17408, 18548, 37096, 74192, 78829, 148384, 157658, 296768, 315316, 593536, 630632, 1187072, 1261264, 2374144, 2522528, 4748288, 5045056, 10090112, 20180224, 40360448, 80720896]

約数ペア:

[(1, 80720896), (2, 40360448), (4, 20180224), (8, 10090112), (16, 5045056), (17, 4748288), (32, 2522528), (34, 2374144), (64, 1261264), (68, 1187072), (128, 630632), (136, 593536), (256, 315316), (272, 296768), (512, 157658), (544, 148384), (1024, 78829), (1088, 74192), (2176, 37096), (4352, 18548), (4637, 17408), (8704, 9274)]