11952980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 27922944

約数和(自身を除く): 15969964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1483, 1612, 2015, 2966, 4030, 5932, 7415, 8060, 14830, 19279, 29660, 38558, 45973, 77116, 91946, 96395, 183892, 192790, 229865, 385580, 459730, 597649, 919460, 1195298, 2390596, 2988245, 5976490, 11952980]

約数ペア:

[(1, 11952980), (2, 5976490), (4, 2988245), (5, 2390596), (10, 1195298), (13, 919460), (20, 597649), (26, 459730), (31, 385580), (52, 229865), (62, 192790), (65, 183892), (124, 96395), (130, 91946), (155, 77116), (260, 45973), (310, 38558), (403, 29660), (620, 19279), (806, 14830), (1483, 8060), (1612, 7415), (2015, 5932), (2966, 4030)]