15880540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 20443748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 593, 1030, 1186, 1339, 2060, 2372, 2678, 2965, 5356, 5930, 6695, 7709, 11860, 13390, 15418, 26780, 30836, 38545, 61079, 77090, 122158, 154180, 244316, 305395, 610790, 794027, 1221580, 1588054, 3176108, 3970135, 7940270, 15880540]

約数ペア:

[(1, 15880540), (2, 7940270), (4, 3970135), (5, 3176108), (10, 1588054), (13, 1221580), (20, 794027), (26, 610790), (52, 305395), (65, 244316), (103, 154180), (130, 122158), (206, 77090), (260, 61079), (412, 38545), (515, 30836), (593, 26780), (1030, 15418), (1186, 13390), (1339, 11860), (2060, 7709), (2372, 6695), (2678, 5930), (2965, 5356)]