28136960

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 80

約数和(自身を含む): 69973200

約数和(自身を除く): 41836240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 379, 464, 512, 580, 640, 758, 928, 1160, 1280, 1516, 1856, 1895, 2320, 2560, 3032, 3712, 3790, 4640, 6064, 7424, 7580, 9280, 10991, 12128, 14848, 15160, 18560, 21982, 24256, 30320, 37120, 43964, 48512, 54955, 60640, 74240, 87928, 97024, 109910, 121280, 175856, 194048, 219820, 242560, 351712, 439640, 485120, 703424, 879280, 970240, 1406848, 1758560, 2813696, 3517120, 5627392, 7034240, 14068480, 28136960]

約数ペア:

[(1, 28136960), (2, 14068480), (4, 7034240), (5, 5627392), (8, 3517120), (10, 2813696), (16, 1758560), (20, 1406848), (29, 970240), (32, 879280), (40, 703424), (58, 485120), (64, 439640), (80, 351712), (116, 242560), (128, 219820), (145, 194048), (160, 175856), (232, 121280), (256, 109910), (290, 97024), (320, 87928), (379, 74240), (464, 60640), (512, 54955), (580, 48512), (640, 43964), (758, 37120), (928, 30320), (1160, 24256), (1280, 21982), (1516, 18560), (1856, 15160), (1895, 14848), (2320, 12128), (2560, 10991), (3032, 9280), (3712, 7580), (3790, 7424), (4640, 6064)]