130305160

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{15439}}^1$

素因数の和:15661

約数の個数: 32

約数和(自身を含む): 294595200

約数和(自身を除く): 164290040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 15439, 30878, 61756, 77195, 123512, 154390, 308780, 617560, 3257629, 6515258, 13030516, 16288145, 26061032, 32576290, 65152580, 130305160]

約数ペア:

[(1, 130305160), (2, 65152580), (4, 32576290), (5, 26061032), (8, 16288145), (10, 13030516), (20, 6515258), (40, 3257629), (211, 617560), (422, 308780), (844, 154390), (1055, 123512), (1688, 77195), (2110, 61756), (4220, 30878), (8440, 15439)]