129832520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{15383}}^1$

素因数の和:15605

約数の個数: 32

約数和(自身を含む): 293526720

約数和(自身を除く): 163694200

約数列:

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

約数ペア:

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