205252480

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4517}}^1$

素因数の和:4607

約数の個数: 64

約数和(自身を含む): 497702880

約数和(自身を除く): 292450400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4517, 4544, 5680, 9034, 9088, 11360, 18068, 22585, 22720, 36136, 45170, 45440, 72272, 90340, 144544, 180680, 289088, 320707, 361360, 578176, 641414, 722720, 1282828, 1445440, 1603535, 2565656, 2890880, 3207070, 5131312, 6414140, 10262624, 12828280, 20525248, 25656560, 41050496, 51313120, 102626240, 205252480]

約数ペア:

[(1, 205252480), (2, 102626240), (4, 51313120), (5, 41050496), (8, 25656560), (10, 20525248), (16, 12828280), (20, 10262624), (32, 6414140), (40, 5131312), (64, 3207070), (71, 2890880), (80, 2565656), (128, 1603535), (142, 1445440), (160, 1282828), (284, 722720), (320, 641414), (355, 578176), (568, 361360), (640, 320707), (710, 289088), (1136, 180680), (1420, 144544), (2272, 90340), (2840, 72272), (4517, 45440), (4544, 45170), (5680, 36136), (9034, 22720), (9088, 22585), (11360, 18068)]