8175980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 18416160

約数和(自身を除く): 10240180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 173, 278, 340, 346, 556, 692, 695, 865, 1390, 1730, 2363, 2780, 2941, 3460, 4726, 5882, 9452, 11764, 11815, 14705, 23630, 24047, 29410, 47260, 48094, 58820, 96188, 120235, 240470, 408799, 480940, 817598, 1635196, 2043995, 4087990, 8175980]

約数ペア:

[(1, 8175980), (2, 4087990), (4, 2043995), (5, 1635196), (10, 817598), (17, 480940), (20, 408799), (34, 240470), (68, 120235), (85, 96188), (139, 58820), (170, 48094), (173, 47260), (278, 29410), (340, 24047), (346, 23630), (556, 14705), (692, 11815), (695, 11764), (865, 9452), (1390, 5882), (1730, 4726), (2363, 3460), (2780, 2941)]