25212110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 32019250

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 239, 274, 385, 478, 685, 770, 959, 1195, 1370, 1507, 1673, 1918, 2390, 2629, 3014, 3346, 4795, 5258, 7535, 8365, 9590, 10549, 13145, 15070, 16730, 18403, 21098, 26290, 32743, 36806, 52745, 65486, 92015, 105490, 163715, 184030, 229201, 327430, 360173, 458402, 720346, 1146005, 1800865, 2292010, 2521211, 3601730, 5042422, 12606055, 25212110]

約数ペア:

[(1, 25212110), (2, 12606055), (5, 5042422), (7, 3601730), (10, 2521211), (11, 2292010), (14, 1800865), (22, 1146005), (35, 720346), (55, 458402), (70, 360173), (77, 327430), (110, 229201), (137, 184030), (154, 163715), (239, 105490), (274, 92015), (385, 65486), (478, 52745), (685, 36806), (770, 32743), (959, 26290), (1195, 21098), (1370, 18403), (1507, 16730), (1673, 15070), (1918, 13145), (2390, 10549), (2629, 9590), (3014, 8365), (3346, 7535), (4795, 5258)]