816421418240

素因数分解:

$2^8\times 5^1\times {\mathrm{77191}}^1\times {\mathrm{8263}}^1$

素因数の和:85475

約数の個数: 72

約数和(自身を含む): 1955846433408

約数和(自身を除く): 1139425015168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 8263, 16526, 33052, 41315, 66104, 77191, 82630, 132208, 154382, 165260, 264416, 308764, 330520, 385955, 528832, 617528, 661040, 771910, 1057664, 1235056, 1322080, 1543820, 2115328, 2470112, 2644160, 3087640, 4940224, 5288320, 6175280, 9880448, 10576640, 12350560, 19760896, 24701120, 49402240, 98804480, 637829233, 1275658466, 2551316932, 3189146165, 5102633864, 6378292330, 10205267728, 12756584660, 20410535456, 25513169320, 40821070912, 51026338640, 81642141824, 102052677280, 163284283648, 204105354560, 408210709120, 816421418240]

約数ペア:

[(1, 816421418240), (2, 408210709120), (4, 204105354560), (5, 163284283648), (8, 102052677280), (10, 81642141824), (16, 51026338640), (20, 40821070912), (32, 25513169320), (40, 20410535456), (64, 12756584660), (80, 10205267728), (128, 6378292330), (160, 5102633864), (256, 3189146165), (320, 2551316932), (640, 1275658466), (1280, 637829233), (8263, 98804480), (16526, 49402240), (33052, 24701120), (41315, 19760896), (66104, 12350560), (77191, 10576640), (82630, 9880448), (132208, 6175280), (154382, 5288320), (165260, 4940224), (264416, 3087640), (308764, 2644160), (330520, 2470112), (385955, 2115328), (528832, 1543820), (617528, 1322080), (661040, 1235056), (771910, 1057664)]