259665040

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{15383}}^1$

素因数の和:15607

約数の個数: 40

約数和(自身を含む): 606621888

約数和(自身を除く): 346956848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 15383, 16880, 30766, 61532, 76915, 123064, 153830, 246128, 307660, 615320, 1230640, 3245813, 6491626, 12983252, 16229065, 25966504, 32458130, 51933008, 64916260, 129832520, 259665040]

約数ペア:

[(1, 259665040), (2, 129832520), (4, 64916260), (5, 51933008), (8, 32458130), (10, 25966504), (16, 16229065), (20, 12983252), (40, 6491626), (80, 3245813), (211, 1230640), (422, 615320), (844, 307660), (1055, 246128), (1688, 153830), (2110, 123064), (3376, 76915), (4220, 61532), (8440, 30766), (15383, 16880)]