12967880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 31190400

約数和(自身を除く): 18222520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 151, 152, 190, 226, 302, 380, 452, 565, 604, 755, 760, 904, 1130, 1208, 1510, 2147, 2260, 2869, 3020, 4294, 4520, 5738, 6040, 8588, 10735, 11476, 14345, 17063, 17176, 21470, 22952, 28690, 34126, 42940, 57380, 68252, 85315, 85880, 114760, 136504, 170630, 324197, 341260, 648394, 682520, 1296788, 1620985, 2593576, 3241970, 6483940, 12967880]

約数ペア:

[(1, 12967880), (2, 6483940), (4, 3241970), (5, 2593576), (8, 1620985), (10, 1296788), (19, 682520), (20, 648394), (38, 341260), (40, 324197), (76, 170630), (95, 136504), (113, 114760), (151, 85880), (152, 85315), (190, 68252), (226, 57380), (302, 42940), (380, 34126), (452, 28690), (565, 22952), (604, 21470), (755, 17176), (760, 17063), (904, 14345), (1130, 11476), (1208, 10735), (1510, 8588), (2147, 6040), (2260, 5738), (2869, 4520), (3020, 4294)]