87916720

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8389}}^1$

素因数の和:8533

約数の個数: 40

約数和(自身を含む): 205991280

約数和(自身を除く): 118074560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 8389, 10480, 16778, 33556, 41945, 67112, 83890, 134224, 167780, 335560, 671120, 1098959, 2197918, 4395836, 5494795, 8791672, 10989590, 17583344, 21979180, 43958360, 87916720]

約数ペア:

[(1, 87916720), (2, 43958360), (4, 21979180), (5, 17583344), (8, 10989590), (10, 8791672), (16, 5494795), (20, 4395836), (40, 2197918), (80, 1098959), (131, 671120), (262, 335560), (524, 167780), (655, 134224), (1048, 83890), (1310, 67112), (2096, 41945), (2620, 33556), (5240, 16778), (8389, 10480)]