68450320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 60

約数和(自身を含む): 163443780

約数和(自身を除く): 94993460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 509, 656, 820, 1018, 1640, 1681, 2036, 2545, 3280, 3362, 4072, 5090, 6724, 8144, 8405, 10180, 13448, 16810, 20360, 20869, 26896, 33620, 40720, 41738, 67240, 83476, 104345, 134480, 166952, 208690, 333904, 417380, 834760, 855629, 1669520, 1711258, 3422516, 4278145, 6845032, 8556290, 13690064, 17112580, 34225160, 68450320]

約数ペア:

[(1, 68450320), (2, 34225160), (4, 17112580), (5, 13690064), (8, 8556290), (10, 6845032), (16, 4278145), (20, 3422516), (40, 1711258), (41, 1669520), (80, 855629), (82, 834760), (164, 417380), (205, 333904), (328, 208690), (410, 166952), (509, 134480), (656, 104345), (820, 83476), (1018, 67240), (1640, 41738), (1681, 40720), (2036, 33620), (2545, 26896), (3280, 20869), (3362, 20360), (4072, 16810), (5090, 13448), (6724, 10180), (8144, 8405)]