82201840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 219718080

約数和(自身を除く): 137516240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 458, 560, 641, 916, 1145, 1282, 1603, 1832, 2290, 2564, 3205, 3206, 3664, 4487, 4580, 5128, 6410, 6412, 8015, 8974, 9160, 10256, 12820, 12824, 16030, 17948, 18320, 22435, 25640, 25648, 32060, 35896, 44870, 51280, 64120, 71792, 89740, 128240, 146789, 179480, 293578, 358960, 587156, 733945, 1027523, 1174312, 1467890, 2055046, 2348624, 2935780, 4110092, 5137615, 5871560, 8220184, 10275230, 11743120, 16440368, 20550460, 41100920, 82201840]

約数ペア:

[(1, 82201840), (2, 41100920), (4, 20550460), (5, 16440368), (7, 11743120), (8, 10275230), (10, 8220184), (14, 5871560), (16, 5137615), (20, 4110092), (28, 2935780), (35, 2348624), (40, 2055046), (56, 1467890), (70, 1174312), (80, 1027523), (112, 733945), (140, 587156), (229, 358960), (280, 293578), (458, 179480), (560, 146789), (641, 128240), (916, 89740), (1145, 71792), (1282, 64120), (1603, 51280), (1832, 44870), (2290, 35896), (2564, 32060), (3205, 25648), (3206, 25640), (3664, 22435), (4487, 18320), (4580, 17948), (5128, 16030), (6410, 12824), (6412, 12820), (8015, 10256), (8974, 9160)]