13148980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 30086784

約数和(自身を除く): 16937804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 491, 515, 982, 1030, 1339, 1964, 2060, 2455, 2678, 4910, 5356, 6383, 6695, 9820, 12766, 13390, 25532, 26780, 31915, 50573, 63830, 101146, 127660, 202292, 252865, 505730, 657449, 1011460, 1314898, 2629796, 3287245, 6574490, 13148980]

約数ペア:

[(1, 13148980), (2, 6574490), (4, 3287245), (5, 2629796), (10, 1314898), (13, 1011460), (20, 657449), (26, 505730), (52, 252865), (65, 202292), (103, 127660), (130, 101146), (206, 63830), (260, 50573), (412, 31915), (491, 26780), (515, 25532), (982, 13390), (1030, 12766), (1339, 9820), (1964, 6695), (2060, 6383), (2455, 5356), (2678, 4910)]