28805120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 72235800

約数和(自身を除く): 43430680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 97, 116, 128, 145, 160, 194, 232, 256, 290, 320, 388, 464, 485, 512, 580, 640, 776, 928, 970, 1024, 1160, 1280, 1552, 1856, 1940, 2048, 2320, 2560, 2813, 3104, 3712, 3880, 4640, 5120, 5626, 6208, 7424, 7760, 9280, 10240, 11252, 12416, 14065, 14848, 15520, 18560, 22504, 24832, 28130, 29696, 31040, 37120, 45008, 49664, 56260, 59392, 62080, 74240, 90016, 99328, 112520, 124160, 148480, 180032, 198656, 225040, 248320, 296960, 360064, 450080, 496640, 720128, 900160, 993280, 1440256, 1800320, 2880512, 3600640, 5761024, 7201280, 14402560, 28805120]

約数ペア:

[(1, 28805120), (2, 14402560), (4, 7201280), (5, 5761024), (8, 3600640), (10, 2880512), (16, 1800320), (20, 1440256), (29, 993280), (32, 900160), (40, 720128), (58, 496640), (64, 450080), (80, 360064), (97, 296960), (116, 248320), (128, 225040), (145, 198656), (160, 180032), (194, 148480), (232, 124160), (256, 112520), (290, 99328), (320, 90016), (388, 74240), (464, 62080), (485, 59392), (512, 56260), (580, 49664), (640, 45008), (776, 37120), (928, 31040), (970, 29696), (1024, 28130), (1160, 24832), (1280, 22504), (1552, 18560), (1856, 15520), (1940, 14848), (2048, 14065), (2320, 12416), (2560, 11252), (2813, 10240), (3104, 9280), (3712, 7760), (3880, 7424), (4640, 6208), (5120, 5626)]