406914560

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12227}}^1$

素因数の和:12263

約数の個数: 80

約数和(自身を含む): 1050776496

約数和(自身を除く): 643861936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 12227, 16640, 24454, 33280, 48908, 61135, 97816, 122270, 158951, 195632, 244540, 317902, 391264, 489080, 635804, 782528, 794755, 978160, 1271608, 1565056, 1589510, 1956320, 2543216, 3130112, 3179020, 3912640, 5086432, 6260224, 6358040, 7825280, 10172864, 12716080, 15650560, 20345728, 25432160, 31301120, 40691456, 50864320, 81382912, 101728640, 203457280, 406914560]

約数ペア:

[(1, 406914560), (2, 203457280), (4, 101728640), (5, 81382912), (8, 50864320), (10, 40691456), (13, 31301120), (16, 25432160), (20, 20345728), (26, 15650560), (32, 12716080), (40, 10172864), (52, 7825280), (64, 6358040), (65, 6260224), (80, 5086432), (104, 3912640), (128, 3179020), (130, 3130112), (160, 2543216), (208, 1956320), (256, 1589510), (260, 1565056), (320, 1271608), (416, 978160), (512, 794755), (520, 782528), (640, 635804), (832, 489080), (1040, 391264), (1280, 317902), (1664, 244540), (2080, 195632), (2560, 158951), (3328, 122270), (4160, 97816), (6656, 61135), (8320, 48908), (12227, 33280), (16640, 24454)]