80120560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1$

素因数の和:1946

約数の個数: 80

約数和(自身を含む): 205611840

約数和(自身を除く): 125491280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 1879, 2132, 2665, 3280, 3758, 4264, 5330, 7516, 8528, 9395, 10660, 15032, 18790, 21320, 24427, 30064, 37580, 42640, 48854, 75160, 77039, 97708, 122135, 150320, 154078, 195416, 244270, 308156, 385195, 390832, 488540, 616312, 770390, 977080, 1001507, 1232624, 1540780, 1954160, 2003014, 3081560, 4006028, 5007535, 6163120, 8012056, 10015070, 16024112, 20030140, 40060280, 80120560]

約数ペア:

[(1, 80120560), (2, 40060280), (4, 20030140), (5, 16024112), (8, 10015070), (10, 8012056), (13, 6163120), (16, 5007535), (20, 4006028), (26, 3081560), (40, 2003014), (41, 1954160), (52, 1540780), (65, 1232624), (80, 1001507), (82, 977080), (104, 770390), (130, 616312), (164, 488540), (205, 390832), (208, 385195), (260, 308156), (328, 244270), (410, 195416), (520, 154078), (533, 150320), (656, 122135), (820, 97708), (1040, 77039), (1066, 75160), (1640, 48854), (1879, 42640), (2132, 37580), (2665, 30064), (3280, 24427), (3758, 21320), (4264, 18790), (5330, 15032), (7516, 10660), (8528, 9395)]