57972980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{761}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 131728464

約数和(自身を除く): 73755484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 761, 1172, 1465, 1522, 2930, 3044, 3805, 3809, 5860, 7610, 7618, 9893, 15220, 15236, 19045, 19786, 38090, 39572, 49465, 76180, 98930, 197860, 222973, 445946, 891892, 1114865, 2229730, 2898649, 4459460, 5797298, 11594596, 14493245, 28986490, 57972980]

約数ペア:

[(1, 57972980), (2, 28986490), (4, 14493245), (5, 11594596), (10, 5797298), (13, 4459460), (20, 2898649), (26, 2229730), (52, 1114865), (65, 891892), (130, 445946), (260, 222973), (293, 197860), (586, 98930), (761, 76180), (1172, 49465), (1465, 39572), (1522, 38090), (2930, 19786), (3044, 19045), (3805, 15236), (3809, 15220), (5860, 9893), (7610, 7618)]