61217920

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2333}}^1$

素因数の和:2393

約数の個数: 64

約数和(自身を含む): 149982840

約数和(自身を除く): 88764920

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, 2333, 2624, 3280, 4666, 5248, 6560, 9332, 11665, 13120, 18664, 23330, 26240, 37328, 46660, 74656, 93320, 95653, 149312, 186640, 191306, 298624, 373280, 382612, 478265, 746560, 765224, 956530, 1493120, 1530448, 1913060, 3060896, 3826120, 6121792, 7652240, 12243584, 15304480, 30608960, 61217920]

約数ペア:

[(1, 61217920), (2, 30608960), (4, 15304480), (5, 12243584), (8, 7652240), (10, 6121792), (16, 3826120), (20, 3060896), (32, 1913060), (40, 1530448), (41, 1493120), (64, 956530), (80, 765224), (82, 746560), (128, 478265), (160, 382612), (164, 373280), (205, 298624), (320, 191306), (328, 186640), (410, 149312), (640, 95653), (656, 93320), (820, 74656), (1312, 46660), (1640, 37328), (2333, 26240), (2624, 23330), (3280, 18664), (4666, 13120), (5248, 11665), (6560, 9332)]