2017409920

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{76883}}^1$

素因数の和:76943

約数の個数: 64

約数和(自身を含む): 4940565840

約数和(自身を除く): 2923155920

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, 76883, 153766, 307532, 384415, 615064, 768830, 1230128, 1537660, 2460256, 3075320, 3152203, 4920512, 6150640, 6304406, 9841024, 12301280, 12608812, 15761015, 24602560, 25217624, 31522030, 49205120, 50435248, 63044060, 100870496, 126088120, 201740992, 252176240, 403481984, 504352480, 1008704960, 2017409920]

約数ペア:

[(1, 2017409920), (2, 1008704960), (4, 504352480), (5, 403481984), (8, 252176240), (10, 201740992), (16, 126088120), (20, 100870496), (32, 63044060), (40, 50435248), (41, 49205120), (64, 31522030), (80, 25217624), (82, 24602560), (128, 15761015), (160, 12608812), (164, 12301280), (205, 9841024), (320, 6304406), (328, 6150640), (410, 4920512), (640, 3152203), (656, 3075320), (820, 2460256), (1312, 1537660), (1640, 1230128), (2624, 768830), (3280, 615064), (5248, 384415), (6560, 307532), (13120, 153766), (26240, 76883)]