12971750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 27293760

約数和(自身を除く): 14322010

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 89, 106, 110, 125, 178, 250, 265, 275, 445, 530, 550, 583, 890, 979, 1166, 1325, 1375, 1958, 2225, 2650, 2750, 2915, 4450, 4717, 4895, 5830, 6625, 9434, 9790, 11125, 13250, 14575, 22250, 23585, 24475, 29150, 47170, 48950, 51887, 72875, 103774, 117925, 122375, 145750, 235850, 244750, 259435, 518870, 589625, 1179250, 1297175, 2594350, 6485875, 12971750]

約数ペア:

[(1, 12971750), (2, 6485875), (5, 2594350), (10, 1297175), (11, 1179250), (22, 589625), (25, 518870), (50, 259435), (53, 244750), (55, 235850), (89, 145750), (106, 122375), (110, 117925), (125, 103774), (178, 72875), (250, 51887), (265, 48950), (275, 47170), (445, 29150), (530, 24475), (550, 23585), (583, 22250), (890, 14575), (979, 13250), (1166, 11125), (1325, 9790), (1375, 9434), (1958, 6625), (2225, 5830), (2650, 4895), (2750, 4717), (2915, 4450)]