80831360

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2383}}^1$

素因数の和:2455

約数の個数: 64

約数和(自身を含む): 196966080

約数和(自身を除く): 116134720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2383, 3392, 4240, 4766, 6784, 8480, 9532, 11915, 16960, 19064, 23830, 33920, 38128, 47660, 76256, 95320, 126299, 152512, 190640, 252598, 305024, 381280, 505196, 631495, 762560, 1010392, 1262990, 1525120, 2020784, 2525980, 4041568, 5051960, 8083136, 10103920, 16166272, 20207840, 40415680, 80831360]

約数ペア:

[(1, 80831360), (2, 40415680), (4, 20207840), (5, 16166272), (8, 10103920), (10, 8083136), (16, 5051960), (20, 4041568), (32, 2525980), (40, 2020784), (53, 1525120), (64, 1262990), (80, 1010392), (106, 762560), (128, 631495), (160, 505196), (212, 381280), (265, 305024), (320, 252598), (424, 190640), (530, 152512), (640, 126299), (848, 95320), (1060, 76256), (1696, 47660), (2120, 38128), (2383, 33920), (3392, 23830), (4240, 19064), (4766, 16960), (6784, 11915), (8480, 9532)]