8131960

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{773}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 18390240

約数和(自身を除く): 10258280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 773, 1052, 1315, 1546, 2104, 2630, 3092, 3865, 5260, 6184, 7730, 10520, 15460, 30920, 203299, 406598, 813196, 1016495, 1626392, 2032990, 4065980, 8131960]

約数ペア:

[(1, 8131960), (2, 4065980), (4, 2032990), (5, 1626392), (8, 1016495), (10, 813196), (20, 406598), (40, 203299), (263, 30920), (526, 15460), (773, 10520), (1052, 7730), (1315, 6184), (1546, 5260), (2104, 3865), (2630, 3092)]