12656680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 30067200

約数和(自身を除く): 17410520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 173, 236, 248, 295, 310, 346, 472, 590, 620, 692, 865, 1180, 1240, 1384, 1730, 1829, 2360, 3460, 3658, 5363, 6920, 7316, 9145, 10207, 10726, 14632, 18290, 20414, 21452, 26815, 36580, 40828, 42904, 51035, 53630, 73160, 81656, 102070, 107260, 204140, 214520, 316417, 408280, 632834, 1265668, 1582085, 2531336, 3164170, 6328340, 12656680]

約数ペア:

[(1, 12656680), (2, 6328340), (4, 3164170), (5, 2531336), (8, 1582085), (10, 1265668), (20, 632834), (31, 408280), (40, 316417), (59, 214520), (62, 204140), (118, 107260), (124, 102070), (155, 81656), (173, 73160), (236, 53630), (248, 51035), (295, 42904), (310, 40828), (346, 36580), (472, 26815), (590, 21452), (620, 20414), (692, 18290), (865, 14632), (1180, 10726), (1240, 10207), (1384, 9145), (1730, 7316), (1829, 6920), (2360, 5363), (3460, 3658)]