28379680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25339}}^1$

素因数の和:25361

約数の個数: 48

約数和(自身を含む): 76628160

約数和(自身を除く): 48248480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25339, 50678, 101356, 126695, 177373, 202712, 253390, 354746, 405424, 506780, 709492, 810848, 886865, 1013560, 1418984, 1773730, 2027120, 2837968, 3547460, 4054240, 5675936, 7094920, 14189840, 28379680]

約数ペア:

[(1, 28379680), (2, 14189840), (4, 7094920), (5, 5675936), (7, 4054240), (8, 3547460), (10, 2837968), (14, 2027120), (16, 1773730), (20, 1418984), (28, 1013560), (32, 886865), (35, 810848), (40, 709492), (56, 506780), (70, 405424), (80, 354746), (112, 253390), (140, 202712), (160, 177373), (224, 126695), (280, 101356), (560, 50678), (1120, 25339)]