200016560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2411}}^1$

素因数の和:2502

約数の個数: 80

約数和(自身を含む): 500673312

約数和(自身を除く): 300656752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 2074, 2411, 2440, 4148, 4822, 4880, 5185, 8296, 9644, 10370, 12055, 16592, 19288, 20740, 24110, 38576, 40987, 41480, 48220, 81974, 82960, 96440, 147071, 163948, 192880, 204935, 294142, 327896, 409870, 588284, 655792, 735355, 819740, 1176568, 1470710, 1639480, 2353136, 2500207, 2941420, 3278960, 5000414, 5882840, 10000828, 11765680, 12501035, 20001656, 25002070, 40003312, 50004140, 100008280, 200016560]

約数ペア:

[(1, 200016560), (2, 100008280), (4, 50004140), (5, 40003312), (8, 25002070), (10, 20001656), (16, 12501035), (17, 11765680), (20, 10000828), (34, 5882840), (40, 5000414), (61, 3278960), (68, 2941420), (80, 2500207), (85, 2353136), (122, 1639480), (136, 1470710), (170, 1176568), (244, 819740), (272, 735355), (305, 655792), (340, 588284), (488, 409870), (610, 327896), (680, 294142), (976, 204935), (1037, 192880), (1220, 163948), (1360, 147071), (2074, 96440), (2411, 82960), (2440, 81974), (4148, 48220), (4822, 41480), (4880, 40987), (5185, 38576), (8296, 24110), (9644, 20740), (10370, 19288), (12055, 16592)]