401028640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2417}}^1$

素因数の和:2510

約数の個数: 96

約数和(自身を含む): 1020028464

約数和(自身を除く): 618999824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 122, 136, 160, 170, 244, 272, 305, 340, 488, 544, 610, 680, 976, 1037, 1220, 1360, 1952, 2074, 2417, 2440, 2720, 4148, 4834, 4880, 5185, 8296, 9668, 9760, 10370, 12085, 16592, 19336, 20740, 24170, 33184, 38672, 41089, 41480, 48340, 77344, 82178, 82960, 96680, 147437, 164356, 165920, 193360, 205445, 294874, 328712, 386720, 410890, 589748, 657424, 737185, 821780, 1179496, 1314848, 1474370, 1643560, 2358992, 2506429, 2948740, 3287120, 4717984, 5012858, 5897480, 6574240, 10025716, 11794960, 12532145, 20051432, 23589920, 25064290, 40102864, 50128580, 80205728, 100257160, 200514320, 401028640]

約数ペア:

[(1, 401028640), (2, 200514320), (4, 100257160), (5, 80205728), (8, 50128580), (10, 40102864), (16, 25064290), (17, 23589920), (20, 20051432), (32, 12532145), (34, 11794960), (40, 10025716), (61, 6574240), (68, 5897480), (80, 5012858), (85, 4717984), (122, 3287120), (136, 2948740), (160, 2506429), (170, 2358992), (244, 1643560), (272, 1474370), (305, 1314848), (340, 1179496), (488, 821780), (544, 737185), (610, 657424), (680, 589748), (976, 410890), (1037, 386720), (1220, 328712), (1360, 294874), (1952, 205445), (2074, 193360), (2417, 165920), (2440, 164356), (2720, 147437), (4148, 96680), (4834, 82960), (4880, 82178), (5185, 77344), (8296, 48340), (9668, 41480), (9760, 41089), (10370, 38672), (12085, 33184), (16592, 24170), (19336, 20740)]