2018039680

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{76907}}^1$

素因数の和:76967

約数の個数: 64

約数和(自身を含む): 4942108080

約数和(自身を除く): 2924068400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 5248, 6560, 13120, 26240, 76907, 153814, 307628, 384535, 615256, 769070, 1230512, 1538140, 2461024, 3076280, 3153187, 4922048, 6152560, 6306374, 9844096, 12305120, 12612748, 15765935, 24610240, 25225496, 31531870, 49220480, 50450992, 63063740, 100901984, 126127480, 201803968, 252254960, 403607936, 504509920, 1009019840, 2018039680]

約数ペア:

[(1, 2018039680), (2, 1009019840), (4, 504509920), (5, 403607936), (8, 252254960), (10, 201803968), (16, 126127480), (20, 100901984), (32, 63063740), (40, 50450992), (41, 49220480), (64, 31531870), (80, 25225496), (82, 24610240), (128, 15765935), (160, 12612748), (164, 12305120), (205, 9844096), (320, 6306374), (328, 6152560), (410, 4922048), (640, 3153187), (656, 3076280), (820, 2461024), (1312, 1538140), (1640, 1230512), (2624, 769070), (3280, 615256), (5248, 384535), (6560, 307628), (13120, 153814), (26240, 76907)]