63915020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{839}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 145212480

約数和(自身を除く): 81297460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 839, 1172, 1465, 1678, 2930, 3356, 3809, 4195, 5860, 7618, 8390, 10907, 15236, 16780, 19045, 21814, 38090, 43628, 54535, 76180, 109070, 218140, 245827, 491654, 983308, 1229135, 2458270, 3195751, 4916540, 6391502, 12783004, 15978755, 31957510, 63915020]

約数ペア:

[(1, 63915020), (2, 31957510), (4, 15978755), (5, 12783004), (10, 6391502), (13, 4916540), (20, 3195751), (26, 2458270), (52, 1229135), (65, 983308), (130, 491654), (260, 245827), (293, 218140), (586, 109070), (839, 76180), (1172, 54535), (1465, 43628), (1678, 38090), (2930, 21814), (3356, 19045), (3809, 16780), (4195, 15236), (5860, 10907), (7618, 8390)]