12486700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 29060640

約数和(自身を除く): 16573940

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 61, 89, 92, 100, 115, 122, 178, 230, 244, 305, 356, 445, 460, 575, 610, 890, 1150, 1220, 1403, 1525, 1780, 2047, 2225, 2300, 2806, 3050, 4094, 4450, 5429, 5612, 6100, 7015, 8188, 8900, 10235, 10858, 14030, 20470, 21716, 27145, 28060, 35075, 40940, 51175, 54290, 70150, 102350, 108580, 124867, 135725, 140300, 204700, 249734, 271450, 499468, 542900, 624335, 1248670, 2497340, 3121675, 6243350, 12486700]

約数ペア:

[(1, 12486700), (2, 6243350), (4, 3121675), (5, 2497340), (10, 1248670), (20, 624335), (23, 542900), (25, 499468), (46, 271450), (50, 249734), (61, 204700), (89, 140300), (92, 135725), (100, 124867), (115, 108580), (122, 102350), (178, 70150), (230, 54290), (244, 51175), (305, 40940), (356, 35075), (445, 28060), (460, 27145), (575, 21716), (610, 20470), (890, 14030), (1150, 10858), (1220, 10235), (1403, 8900), (1525, 8188), (1780, 7015), (2047, 6100), (2225, 5612), (2300, 5429), (2806, 4450), (3050, 4094)]